TWIST 1. Envelope 열어봐 Writer cott Producer cott Length 2:12 2. laugh! 웃자! Writer cott Producer cott Length 2:55 3. 빈손 cheer up Writer cott Producer cott Length 3:40 4. list ㅠ Writer cott Producer cott Length 3:04 5. 나도(i) miss Writer cott Producer cott Length 2:08 · cott (pyo, sen) - producing, composing, writing, recording, directing (all track) · pyo - lead vocals (all track), background vocals (all track), guitar (track 1, 2), drums (track 1, 4), synthesizer (track 1, 2, 4), piano (track 4) · sen – drums (track 3), percussion (track 3), synthesizer (track 3, 5) harp (track 3, 5), strings (track 5), bass (track 5), organ (track 3) · Noogi - bass (track 1-4) · Shindrum - drums (track 2) · Sungho - guitar (track 2) · Jackchan - guitar (track 1, 3) · Lanjoon - guitar (track 4, 5) · 박기훈 – flute (track 3) · 김하람, 나지수, 강희현, 김정하 – strings (track 5) · Nam donghun @TUNE UP Studio – recording (all track) · Ko hyunjung – mixing (track 3, 5) · Lee cheongmoo – mixing (track 1, 2, 4) · Kwon namwoo – mastering (all track) Artworks · Creative direction Kim Lucy · Photographer Lee Woojeong · Photography team Chung Minyoung · D.O.P Song Jiyeop · Stylist Shin Sojin, Bae Daeun · Model Park youngdae, Kang hyunwook · Production Welldoned · A&R Lee chung, Jang suryeon, Lee sojeong, Kim jung, Choe yeongyo · Chief director Lee soyoung · Promotion & Marketing Your Summer · Production Support by CJ Cultural Foundation