BOL4's Fourteen Songs Connecting Time
Collection Music 2026.09.06

BOL4's Fourteen Songs Connecting Time

A map of their activities seen through moments of change from the early duo to recent releases

If you remember BOL4 (볼빨간사춘기) only for a few bright hits, you might miss how their tone and arrangements have changed over time. From the candid confessions of the early duo to the pop calling for journeys, the intimate songs that came after their solo performances, and the recent collaborations and new songs, the range of changes is broader than you might think. This list connects fourteen key scenes of their activities.

Instead of a simple popularity ranking, songs have been arranged based on moments when new colors appeared. Let's explore how the vocal tone of the first verse, the balance between band and electronic sounds, and the openness of the chorus evolve in order. Each item includes official track information, release dates, and actual album images to avoid confusion with other songs sharing the same title.
BOL4 - Fight Day

BOL4 - Fight Day

BOL4 - Fight Day (싸운날)

The first scene on this list is 'Fight Day'. It conveys the emotions of quarreling lovers with a fast-paced delivery and bouncy rhythm, imprinting the duo's candid style from the start. The flow articulated in 'Fight Day' showcases the evolving tones and arrangements that have emerged with each release. The official album for 'Fight Day' is 《Half Album RED ICKLE - EP》, and it was released on 2016-04-22, credited to BOL4. By comparing what comes before and after, you can delve deeper into the song's thematic connection.

First, listen to just the melody and rhythm of 'Fight Day', then focus on the lyrics and the vocal power adjustments. If the points that first grab your ear differ in the two listens of 'Fight Day', make a note of these differences. This record helps you find the song's role in the list more specifically than a vague impression.

This track opens the list, and the next song is 'I'll Give You the Universe (우주를 줄게)'. The points of comparison are the first beat of 'Fight Day' and the first line of 'I'll Give You the Universe'. The role of 'Fight Day' becomes clearer when these two points are juxtaposed. When summarizing, it’s ideal to pick out the most striking sound from 'Fight Day' and the lingering impression it leaves for the next song one by one. Check if the two clues from 'Fight Day' connect back to the list's theme and compare with the official information in the linked original text.
수록작 Half Album RED ICKLE - EP 공개일 2016-04-22 아티스트 BOL4 재생시간 189
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BOL4 - I’ll Give You the Universe

BOL4 - I’ll Give You the Universe

BOL4 - I'll Give You the Universe (우주를 줄게)

The song we're meeting in this sequence is 'I'll Give You the Universe'. It beautifully completes the grand imagination of giving the universe to a loved one with its unique timbre and rhythm. The focal point for 'I'll Give You the Universe' is the changes in tone and arrangement that appear with each release. The official album for 'I'll Give You the Universe' is 《Full Album RED PLANET》, released on 2016-08-29 and credited to BOL4. The placement of 'I'll Give You the Universe' considers the song's scene and sound contributing to the theme more than just its fame.

In the first listen, focus on the spacing between the vocals and accompaniment in the introduction of 'I'll Give You the Universe', and then check the emotional direction from just before the chorus to the last line. Identifying which section features the mentioned characteristics in the summary allows for a specific explanation of the song's use.

The tracks before and after are 'Fight Day' and 'Love That Only I Can't Have (나만 안되는 연애)'. The song in between is 'I'll Give You the Universe'. Listening to these three songs consecutively makes it easier to gauge the changes in tempo and emotion. Lastly, note down one memorable sound or scene from 'I'll Give You the Universe' and summarize in your own words whether it aligns with the selection criteria. The official information for 'I'll Give You the Universe' can be verified in the original link, and different impressions can also serve as good comparative material.
수록작 Full Album RED PLANET 공개일 2016-08-29 아티스트 BOL4 재생시간 214
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BOL4 - Unrequited Love

BOL4 - Unrequited Love

BOL4 - Love That Only I Can't Have (나만 안되는 연애)

The third position on the list is 'Love That Only I Can't Have'. This song conveys the sorrow of unrequited love with a calm introduction and expands into a big chorus. The perspective for appreciating 'Love That Only I Can't Have' is the changes in tone and arrangement that have emerged with each release. The official album for 'Love That Only I Can't Have' is 《Full Album RED PLANET》, released on 2016-08-29, credited to BOL4. This choice considers the impression of 'Love That Only I Can't Have' and its connection to surrounding items.

While playing 'Love That Only I Can't Have', first follow the rhythm and instrument layers, focusing next on the pronunciation and breath of the vocals. Mark points where the density of sound changes when the same phrases repeat, highlighting the emotionality of the song and its role in the list.

The tracks before and after are 'I'll Give You the Universe' and 'RED PLANET (Hidden Track) - Say You Like It (좋다고 말해)'. The song in the middle is 'Love That Only I Can't Have'. Listening to the three songs around 'Love That Only I Can't Have' helps you easily assess the transitions in tempo and emotion. After a complete listen, replay 'Love That Only I Can't Have' and check if your first impression has changed. Leave a note on the difference in the song's role within the list and individually, and you can check the track information on the linked official page.
수록작 Full Album RED PLANET 공개일 2016-08-29 아티스트 BOL4 재생시간 221
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BOL4 - RED PLANET (Hidden Track) - Say You Like Me

BOL4 - RED PLANET (Hidden Track) - Say You Like Me

BOL4 - RED PLANET (Hidden Track) - Say You Like It (좋다고 말해)

The song to focus on here is 'RED PLANET (Hidden Track) - Say You Like It'. It pushes the urgency of waiting for an answer that affirms feelings with repetitive lines and an upbeat rhythm, conveying a confession song. The selection criteria for 'RED PLANET (Hidden Track) - Say You Like It' involve exploring the changes in tone and arrangement that appear with each release. The official album for 'RED PLANET (Hidden Track) - Say You Like It' is 《RED PLANET (Hidden Track) - Say You Like It - Single》, released on 2016-12-21, credited to BOL4. By checking the scene of 'RED PLANET (Hidden Track) - Say You Like It' within the list, the reasons for its selection become evident beyond just the title.

This time, it's good to remember the last line of 'RED PLANET (Hidden Track) - Say You Like It' first and then go back to the beginning to listen again. By comparing if the emotional tone from the introduction is sustained throughout to the conclusion, you can verify the relationship between the scenes in the summary and the actual sound.

The tracks before and after are 'Love That Only I Can't Have' and 'I'll Be in a Relationship (썸 탈꺼야)'. The song in the middle is 'RED PLANET (Hidden Track) - Say You Like It'. Listening to the three songs around this track helps easily assess the transitions in tempo and emotion. When comparing the results of three tracks before and after 'RED PLANET (Hidden Track) - Say You Like It', choose one factor: speed, scene, or emotion, and note it down. If you can explain why this song belongs in the list, you've understood the selection criteria, and you can confirm the official title and audio link in the original document.
수록작 RED PLANET (Hidden Track) - 좋다고 말해 - Single 공개일 2016-12-21 아티스트 BOL4 재생시간 202
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BOL4 - I’m Gonna Have a Thing

BOL4 - I’m Gonna Have a Thing

BOL4 - I'll Be in a Relationship (썸 탈꺼야)

The fifth scene on this list is 'I'll Be in a Relationship'. This representative song conveys the excitement of feelings before a confession through a lively guitar and catchy hooks. The flow crystallized in 'I'll Be in a Relationship' is the changes in tone and arrangement that have emerged with each release. The official album for 'I'll Be in a Relationship' is 《Red Diary Page.1 - EP》, released on 2017-09-28, credited to BOL4. Analyzing the role of 'I'll Be in a Relationship' in relation to the surrounding items makes the thematic connections clearer.

First, listen to the melody and rhythm of 'I'll Be in a Relationship', then follow along with the lyrics and how the vocal power is adjusted. If the points that first grasp your attention differ in both listens of 'I'll Be in a Relationship', note those differences. This record helps you identify the specific role of 'I'll Be in a Relationship' within the list beyond general impressions.

The tracks before and after are 'RED PLANET (Hidden Track) - Say You Like It' and 'To My Adolescence (나의 사춘기에게)'. The song in the middle is 'I'll Be in a Relationship'. Listening to these three songs consecutively will help you easily evaluate the transitions in tempo and emotion. While summarizing, it’s good to pick out the most striking sound from 'I'll Be in a Relationship' and the lingering impression it leaves for the following song one by one. Check if the two clues from 'I'll Be in a Relationship' align with the theme of the list and compare the official information with the attached original text link.
수록작 Red Diary Page.1 - EP 공개일 2017-09-28 아티스트 BOL4 재생시간 181
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BOL4 - To My Adolescence

BOL4 - To My Adolescence

BOL4 - To My Adolescence (나의 사춘기에게)

The song we will encounter in this sequence is 'To My Adolescence'. It captures the anxieties of growing up with candid lyrics and escalating emotions in a representative way. The focal point for 'To My Adolescence' is the changes in tone and arrangement that appear with each release. The official album for 'To My Adolescence' is 《Red Diary Page.1 - EP》, released on 2017-09-28, credited to BOL4. The placement of 'To My Adolescence' considers how the song's scenes and sounds contribute to the theme more than its fame.

In the first listen, pay attention to the spacing between the vocals and accompaniment in the introduction of 'To My Adolescence', then check the emotional direction from just before the chorus to the last line. Identifying the segments where the characteristics mentioned in the summary resonate allows for a precise description of its usage.

The tracks before and after are 'I'll Be in a Relationship' and 'Travel (여행)'. The song in the middle is 'To My Adolescence'. Listening to these three songs consecutively will help you easily evaluate the transitions in tempo and emotion. Finally, pick a memorable sound or scene from 'To My Adolescence' and summarize in your own words if it aligns with the selection criteria. The official information for 'To My Adolescence' can also be verified in the original link, as well as different impressions to serve as good comparison material.
수록작 Red Diary Page.1 - EP 공개일 2017-09-28 아티스트 BOL4 재생시간 223
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BOL4 - Travel

BOL4 - Travel

BOL4 - Travel (여행)

The seventh position on the list is 'Travel'. This representative song unfolds the exhilaration of heading to unfamiliar places through powerful choruses and refreshing band sounds. The perspective for enjoying 'Travel' is the changes in tone and arrangement that have emerged with each release. The official album for 'Travel' is 《Red Diary, Page. 2 - EP》, released on 2018-05-24, credited to BOL4. This choice takes into account the impression of 'Travel' and its connections to adjacent items.

When listening to 'Travel', first follow the rhythm and layers of instruments, focusing next on the pronunciation and breathing of the vocals. Mark the points where the density of sound changes when similar lines recur to assess the emotional quality of the song and its role within the list.

The songs before and after are 'To My Adolescence' and 'Do You Wanna Go See the Stars? (별 보러 갈래?)'. The song in the middle is 'Travel'. Listening to three songs surrounding 'Travel' makes it easier to make judgments about the transitions in speed and emotion. After completing the listening session, replay 'Travel' and see if your first impression has altered. Write a sentence on the difference in role for 'Travel' within the list compared to your solo listening, and the track information can be checked on the linked official page. If you've encountered the same song in another list, it would be insightful to compare how 'Travel's role shifts.
수록작 Red Diary, Page. 2 - EP 공개일 2018-05-24 아티스트 BOL4 재생시간 221
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BOL4 - Wanna Go See the Stars?

BOL4 - Wanna Go See the Stars?

BOL4 - Do You Wanna Go See the Stars? (별 보러 갈래?)

The song to focus on here is 'Do You Wanna Go See the Stars?'. It expresses the desire to watch the night sky with someone you love, using a refreshing chorus and seasonal vibes. The selection criteria for 'Do You Wanna Go See the Stars?' are based on the changes in tone and arrangement that have emerged with each release. The official album for 'Do You Wanna Go See the Stars?' is 《Adolescence Diary I: Flower Energy (사춘기집Ⅰ 꽃기운) - EP》, released on 2019-04-02, credited to BOL4. By confirming the scenes of 'Do You Wanna Go See the Stars?' within the list, the reasons for its selection become clear beyond just the title.

This time, try recalling the last line of 'Do You Wanna Go See the Stars?' and then going back to the beginning. Comparing whether the emotional tone from the introduction is sustained throughout to the conclusion clarifies the relationship between the scenes described in the summary and the actual sound.

The tracks before and after are 'Travel' and 'Workaholic (워커홀릭)'. The song in the middle is 'Do You Wanna Go See the Stars?'. Listening to three songs surrounding 'Do You Wanna Go See the Stars?' this way facilitates easy assessments of the transitions in speed and emotion. Among the comparison of the three tracks before and after, choose one to note: speed, scene, or emotion. If you can articulate why this song fits this position, it reflects your understanding of the selection criteria, and you can find the official title and audio link for 'Do You Wanna Go See the Stars?' in the original document.
수록작 사춘기집Ⅰ 꽃기운 - EP 공개일 2019-04-02 아티스트 BOL4 재생시간 201
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BOL4 - Workaholic

BOL4 - Workaholic

BOL4 - Workaholic (워커홀릭)

The ninth scene in this list is 'Workaholic'. It bursts forth with a desire to escape the monotony of daily life through a fast beat and strong vocals. The flow embodied in 'Workaholic' is indicative of the evolving tone and arrangements seen with each release. The official album for 'Workaholic' is 《Two Five - EP》, released on 2019-09-10, credited to BOL4. Analyzing the role of 'Workaholic' in relation to surrounding items clarifies the connection to the theme.

Start by listening to just the melody and rhythm of 'Workaholic', and then focus on the lyrics and the adjustments in vocal power. If the initial impression you receive during the two listens of 'Workaholic' differs, record those differences. This note helps to identify the precise role of 'Workaholic' in the list beyond a vague juxtaposition.

Before it, we have 'Do You Wanna Go See the Stars?' and after it is 'Leo (feat. BAEKHYUN)'. The song in the middle is 'Workaholic'. Listening to the three songs around 'Workaholic' allows for easier assessment of the transitions in tempo and emotion. When summarizing, it’s helpful to pick out the most distinct sound from 'Workaholic' and the lingering sensation it creates for the following track one by one. Check if the two clues from 'Workaholic' connect back to the list's theme and compare with the official information linked to the original article.
수록작 Two Five - EP 공개일 2019-09-10 아티스트 BOL4 재생시간 191
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BOL4 - Leo (feat. BAEKHYUN)

BOL4 - Leo (feat. BAEKHYUN)

The song we will encounter next is 'Leo (feat. BAEKHYUN)'. This track created in collaboration with Baekhyun presents a light and sweet dialogue capturing a moment observing cats. The selection criteria for 'Leo (feat. BAEKHYUN)' are based on the tone and arrangement changes that have emerged with each release. The official album for 'Leo (feat. BAEKHYUN)' is 《Puberty Book II: Pum - EP》, released on 2020-05-07, credited to BOL4. The placement of 'Leo (feat. BAEKHYUN)' reflects the importance of the scenes and sounds contributing to the theme over its popularity.

In your first listen, focus on the spacing between the vocals and accompaniment in the introduction of 'Leo (feat. BAEKHYUN)', then verify the emotional direction from just before the chorus to the last line. By identifying which segments feature the discussed traits in the summary, you'll be able to detail the song's functionality.

The songs before and after are 'Workaholic' and 'Seoul'. The song in the middle is 'Leo (feat. BAEKHYUN)'. Listening to the three tracks around 'Leo (feat. BAEKHYUN)' together facilitates easier assessments of changes in tempo and emotion. Finally, write down a memorable sound or scene from 'Leo (feat. BAEKHYUN)' and summarize if it aligns with the selection criteria in your own words. The official information for 'Leo (feat. BAEKHYUN)' can be confirmed in the original link, and differing impressions can also serve as useful comparative material.
수록작 Puberty BookⅡ Pum - EP 공개일 2020-05-07 아티스트 BOL4 재생시간 188
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BOL4 - Seoul

BOL4 - Seoul

The 11th spot on the list is ‘Seoul’. It's a song that transforms the city’s alleys and memories into a personal landscape with a leisurely rhythm. The perspective to apply to ‘Seoul’ is the changes in style and arrangement that have emerged with each release period. The official compilation for ‘Seoul’ is 《Seoul - EP》, and its release date is April 20, 2022, with the artist credited as BOL4. This choice takes into account the impression of ‘Seoul’ and its connection to the surrounding items.

When listening to ‘Seoul’, first follow the rhythm and layers of instruments, and then focus on the pronunciation and breath of the vocals. Marking where the same phrases of ‘Seoul’ return with differing sound density reveals the song’s emotions and its role within the list.

Before it is ‘Leo (feat. BAEKHYUN)’, and after it is ‘FRIEND THE END’. The song in the middle is ‘Seoul’. Listening to the three songs before and after ‘Seoul’ makes it easier to judge the transitions in tempo and emotion. After finishing the sequence, play ‘Seoul’ again and check if your first impression has changed. You can leave a sentence noting the difference in role within the list versus solo enjoyment, and you can find the compilation details on the linked official page. If you encounter the same song in a different list, it would be good to compare how ‘Seoul’'s role changes this time.
수록작 Seoul - EP 공개일 2022-04-20 아티스트 BOL4 재생시간 205
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BOL4 - FRIEND THE END

BOL4 - FRIEND THE END

The song to pay attention to here is ‘FRIEND THE END’. It’s a track that brightly shows the moment when the boundary between friendship and love comes to an end, with a sense of a bright season and a lonely conclusion. The central criterion for selecting ‘FRIEND THE END’ is the changes in style and arrangement that have emerged with each release period. The official compilation for ‘FRIEND THE END’ is 《Love.zip - EP》, and its release date is April 16, 2023, with the artist credited as BOL4. By checking out the scene of ‘FRIEND THE END’ within the list, the reasons for its selection, which may not be visible just from the title, will become clear.

This time, it’s good to first remember the last phrase of ‘FRIEND THE END’ and then go back to the beginning. Comparing whether the emotions in the introduction are sustained until the end of ‘FRIEND THE END’ allows you to verify the relationship between the scenes described in the summary and the actual sound.

Before it is ‘Seoul’, and after it is ‘Lips (feat. GISELLE)’. The song in the middle is ‘FRIEND THE END’. Listening to the three songs before and after ‘FRIEND THE END’ makes it easier to judge transitions in tempo and emotion. For the comparison results of the three songs surrounding ‘FRIEND THE END’, let’s choose one aspect — tempo, scene, or emotion — to record. If you can explain why this song deserves to remain in this spot, you’ve understood the selection criteria, and you can verify the official notation and audio of ‘FRIEND THE END’ at the original link.
수록작 Love.zip - EP 공개일 2023-04-16 아티스트 BOL4 재생시간 188
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BOL4 - Lips (feat. GISELLE)

BOL4 - Lips (feat. GISELLE)

The 13th scene on this list is ‘Lips (feat. GISELLE)’. It’s a song that conveys a cheerful affection with the vibrant contrast between GISELLE’s rap and An Ji-young’s bright vocals. The flow concretized in ‘Lips (feat. GISELLE)’ reflects the changes in style and arrangement that have emerged with each release period. The official compilation for ‘Lips (feat. GISELLE)’ is 《Lips (feat. GISELLE) - Single》, and its release date is June 13, 2024, with the artist credited as BOL4. By comparing before and after, the role of ‘Lips (feat. GISELLE)’ becomes more pronounced in relation to the theme.

First, listen to just the melody and beats of ‘Lips (feat. GISELLE)’, then follow only the lyrics and adjustments in vocal strength. If the initial points that you noticed in the two listenings of ‘Lips (feat. GISELLE)’ differ, record that difference. This record will help you find the role of ‘Lips (feat. GISELLE)’ in the list more specifically than just a vague impression.

Before it is ‘FRIEND THE END’, and after it is ‘Find You’. The song in the middle is ‘Lips (feat. GISELLE)’. Listening to the three songs before and after ‘Lips (feat. GISELLE)’ makes it easier to judge transitions in tempo and emotion. While summarizing, it’s good to select the most prominent sound from ‘Lips (feat. GISELLE)’ and the lingering echo that remains in the next song. Check whether the two clues from ‘Lips (feat. GISELLE)’ connect with the theme of the list, and compare with the official information from the attached original link.
수록작 Lips (feat. GISELLE) - Single 공개일 2024-06-13 아티스트 BOL4 재생시간 183
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BOL4 - Find You

BOL4 - Find You

The song we’ll encounter in this sequence is ‘Find You’. It’s a song that begins with a clear chorus and an advancing rhythm, attempting to find someone or a lost heart. The criteria for attention in ‘Find You’ are the changes in style and arrangement that have emerged with each release period. The official compilation for ‘Find You’ is 《Find You - Single》, and its release date is April 22, 2026, with the artist credited as BOL4. The placement of ‘Find You’ considers that the scenes and sounds of the song add more meaning than its fame.

In your first listen, focus on the gap between the vocals and accompaniment in the introduction of ‘Find You’, and then check the emotional direction from just before the chorus until the last phrase. By finding at which sections the characteristics mentioned in the summary are heard, you can specifically describe the usage of this song.

The song directly before is ‘Lips (feat. GISELLE)’ and it closes the list. By juxtaposing the emotions left by the previous track with the last phrase of ‘Find You’, the reasons for its selection as the conclusion become clear. Finally, write down one memorable sound or scene from ‘Find You’ and summarize whether it matches the selection criteria in your own words. The official information for ‘Find You’ can be verified at the original link, and differing impressions can serve as good comparative material.
트랙 번호 1 수록작 Find You - Single 공개일 2026-04-22 아티스트 BOL4 재생시간 175
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Following these fourteen songs reveals that BOL4's changes are not just a history of shedding familiar sounds, but rather a continuous process of broadening the scenes in which their voices remain. Playful confessions and heavy monologues, urban life and travel, collaborations, and new beginnings mark different periods of their activities. Choose one song that stands out as the most significant transition.

When listening again, it would be great to separate the early, middle, and recent releases and compare the balance of guitar and synth, the way the speaker addresses their partner, and the density of the chorus. Notably, documenting how the recent section connecting ‘FRIEND THE END’, ‘Lips’, and ‘Find You’ shares elements with and diverges from earlier representative songs will create a natural connection to the map of their activities as of now.

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