เพลงในอัลบั้ม Listen-Up EP.21Fireworks (Prod. Peakboy) (Inst.)Nam Woo Hyun02:482I HATE SUN (Prod. JUNGKEY) (Inst.)U SungEun, Louie (Geeks)04:433그 여름 (Prod. 김승수) (One day)Shin Young Jae03:584떠나 (Prod. PATEKO (파테코)) (Leave)THAMA, Jayci yucca04:075써머타임 (Prod. 팔로알토 (Paloalto)) (SUMMER TIME)JUSTHIS03:166불꽃놀이 (Prod. 픽보이 (Peakboy)) (Fireworks)Nam Woo Hyun02:487I HATE SUN (Prod. 정키)U Sung Eun, Louie (Geeks)04:438여름 밤에 쓴 노래 (with MVP) (Prod. BIG Naughty (서동현)) (Summer Song)BIG Naughty, Leellamarz04:169그 여름 (Prod. 김승수) (One day) (Inst.)Shin Young Jae03:5810떠나 (Prod. PATEKO (파테코)) (Leave) (Inst.)THAMA, Jayci yucca04:0711써머타임 (Prod. 팔로알토 (Paloalto)) (SUMMER TIME) (Inst.)JUSTHIS03:1612여름 밤에 쓴 노래 (with MVP) (Prod. BIG Naughty (서동현)) (Summer Song) (Inst.)BIG Naughty, Leellamarz04:16อัลบั้มอื่นของ Shin Young Jae내일 이별행복을 만질수가 있다면 (Prod. 래빗 힛 더 드래곤) (If I could touch happiness)초대형 노래방 서바이벌 VS FINAL (King of Karaoke: VS FINAL)언제쯤이면 (베일드뮤지션 X 신용재 (2F) with 일산동) (When would it be (Veiled Musician X Shin Yong Jae (2F) with Ilsan-dong))My EverythingMy Lovely Liar, Pt. 4 (Original Television Soundtrack)Miss You Now
