| # | Title | Rating | Length |
|---|
| 1 | Party O’Clock- recording engineer:
- 구혜진 and 서은일
- editor:
- Jiyoung Shin NYC (lead vocals, background vocals)
- instruments:
- BANGERS&CA$H
- background vocals:
- 김연서 (Emily Yeonseo Kim)
- arranger:
- BANGERS&CA$H
- vocals arranger:
- Sophia Pae, 송희진 (쓸시래) and 케빈오빠 (쓸시래)
- recorded at:
- JYPE Studios in Gangdong District, Seoul, South Korea
- recording of:
- Party O’Clock
- lyricist:
- danke , Dr.JO , J.Y. Park “The Asiansoul” , 이스란, 오현선, Wkly and 황유빈
- composer:
- Fabian “Phat Fabe” Torsson, Josefin Glenmark, J.Y. Park “The Asiansoul” , Paulina “PAU” Cerrilla and Harry Sommerdahl
- publisher:
- AMPLIFIED Corporation, InnerV8 Musiq, JYP Publishing (KOMCA), The Kennel AB and Universal Music Publishing AB
- sub-publisher:
- AMPLIFIED Corporation, JYP Publishing (KOMCA), Kobalt Music Group, Ltd., Soundgraphics Inc. admin by Music Cube, Inc. and Universal Music Publishing Korea
| | 3:03 |
| 2 | Roller Coaster | | 2:59 |
| 3 | Party O’Clock (inst.)- recording engineer:
- 구혜진 and 서은일
- instruments:
- BANGERS&CA$H
- arranger:
- BANGERS&CA$H
- recorded at:
- JYPE Studios in Gangdong District, Seoul, South Korea
- karaoke version of:
- Party O’Clock by NMIXX
- karaoke recording of:
- Party O’Clock
- lyricist:
- danke , Dr.JO , J.Y. Park “The Asiansoul” , 이스란, 오현선, Wkly and 황유빈
- composer:
- Fabian “Phat Fabe” Torsson, Josefin Glenmark, J.Y. Park “The Asiansoul” , Paulina “PAU” Cerrilla and Harry Sommerdahl
- publisher:
- AMPLIFIED Corporation, InnerV8 Musiq, JYP Publishing (KOMCA), The Kennel AB and Universal Music Publishing AB
- sub-publisher:
- AMPLIFIED Corporation, JYP Publishing (KOMCA), Kobalt Music Group, Ltd., Soundgraphics Inc. admin by Music Cube, Inc. and Universal Music Publishing Korea
| | 3:03 |
| 4 | Roller Coaster (inst.) | | 2:59 |
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