BOYNEXTDOOR [보이넥스트도어] - PRETTY U (COVER)

BOYNEXTDOOR (보이넥스트도어) - I Don’t Think That I Like Her (COVER)

태산, 장하오, 신유, 도훈 - 한 페이지가 될 수 있게 (DAY6)

태산(TAESAN) - 좋을 때(When It’s Good/Sadness) [BOYNEXTDOOR/Self-composed Song]

BOYNEXTDOOR [보이넥스트도어] - HOT SUMMER (COVER)

아름답다 할 수 있게 - TAESAN (Self-composed song)

BOYNEXTDOOR - Violin (By TAESAN) / (SUNGHO, LEEHAN, TAESAN) [COVER]

TAESAN (태산) - SATURDAY NIGHT (unreleased song)

태산 성호 이한 - Violin

BOYNEXTDOOR - 나비소녀(Don’t Go) / (SUNGHO, LEEHAN) [COVER]

TAESAN (태산) - Friday (cover) : IU