Trouble Maker (Hyun Seung of BEAST & HyunA of 4minute) - Trouble Maker
Jang Hyun Seung (B2ST) & Kim HyunA (4 Minute) - Trouble Maker
Trouble Maker( Hyun Seung & HyunA ) - Time (Feat. 라도)
Trouble Maker (Hyun Seung of BEAST & HyunA of 4minute) - Time
B2ST / BEAST - Hyun Seung & 4Minute - Hyuna - Trouble maker
Jang Hyun Seung & Kim HyunA - Trouble Maker
Jang Hyun Seung & Kim HyunA - Trouble Maker (проказник ... МонСтар)
TROUBLE MAKER (B2ST BEAST Hyun Seung & 4MINUTE Hyuna) - Time