BTOB - For You (Cinderella & Four Knights OST)
Junhyung (BEAST) & BTOB - First Love
용준형 & 비투비(BTOB) - After Time Passes (시간이 흐른 뒤엔) (Inst.)_МонСтар
Men In Black (Junhyung (B2ST/BEAST) & BTOB) - First Love (Monstar OST)
Yong Jun Hyung & BTOB - Speak 말하자면 (OST MonSTAR)
Men In Black (Junhyung (B2ST) & BTOB) - First Love (Monstar OST)
Junhyung (BEAST) & BTOB - 시간이 흐른 뒤엔 (After Time Passes) (OST Monstar)
Jiyoon & (feat. BTOB Ilhoon) - This Ain’t Me - [Unpretty Rapstar 2 SEMI FINAL Part 1]
Yong JunHyung [용준형] (B2ST) & BTOB [비투비] - First Love [첫사랑] (MonStar OST)
Sungjae (BTOB) & Oh Seung Hee - Curious [Plus Nine Boys OST]
BTOB (비투비) & B2ST (비스트) - Bye Bye Love
JunHyung, BTOB & Ha YeonSoo - 지난 날 (Past Days) (OST MonStar)
Sungjae (BTOB) & Namjoo (A Pink) - - Photograph
BTOB & JUNHYUNG [BEAST] - After Time Passes (OST MonStar/МонСтар)
비투비(BTOB) - For You (Ballad Ver.) (Cinderella & Four Knights OST)
2YOON Ji Yoon & Ga Yoon & BTOB Ilhoon - Nightmare
B2ST / BEAST - Jun Hyung & BTOB - Speak (So to say, As I told you) (OST MonStar)
JunHyung & BTOB (MEN IN BLACK) - So to say
용준형 & BTOB - After Time Passes (몬스타 OST)
hyuna & ilhoon (of.BTOB) - roll deep
[Ep 1][MonStar OST] Junhyung & BTOB - After Hours
Hyuna & llhoon (of.BTOB) - Roll Deep
Junhyung (B2ST) & BTOB - After Time Passes
Junhyung & BTOB - After Time Passes
Junhyung (용준형 B2ST) & BTOB (Men In Black) - 첫사랑 (First Love)
Men In Black (Junhyung (BEAST) & BTOB) - First Love (Monstar OST)
МонСтар Men In Black (Junhyung (B2ST) & BTOB) - First Love (Monstar OST)
JunHyung & BTOB (MEN IN BLACK) - Speak (So to say, As I told you) 말하자면 (OST MonSTAR)
[MonStar OST] Junhyung (BEAST) & BTOB (비투비) - 첫사랑 (First Love)
Men In Black (Junhyung (B2ST) & BTOB (BEAST) - -
МонСтар Man In Black (Junhyung (B2ST) & BTOB) - First Love (Monstar OST)
Bbyu (쀼) (Yook Sung Jae (육성재 of BTOB) & Joy (조이 of Red Velvet)) - 어린애(愛) (Young Love)
Big Byung (Got7 Jackson, BTOB Yook Sungjae, VIXX N & Hyuk) - Stress Come On!
Trouble Maker & G.NA & Eunkwang of BTOB & Ryu Hyun Jin - Smile Again
[Ep 1][MonStar OST] Junhyung (BEAST) & BTOB & Ha Yeon Soo - Past Day (지난 날) (Inst.)
Yook Sung Jae (육성재 of BTOB) & Park Hye Soo (박혜수) - Love Song (Who Are You – School 2015 OST Part 8)
Bbyu (쀼) (Yook Sung Jae (육성재 of BTOB) & Joy (조이 of Red Velvet)) - 어린애(愛) (Young Love) (Inst.)
B2ST / BEAST Yo Seob & Dong Woon & BTOB Ilhoon & Chang Seob - Bye Bye Love (OST When A Mans In Love)
Yong JunHyung (용준형 of BEAST) (B2ST) & BTOB (비투비) - 시간이 흐른 뒤엔 (After Hours) (Inst.) (MonStar OST Part 2)