Girl group 4minute member Hyun Ah and B2ST member Jang Hyun Seung have been crowned as the very first winners of the JTBC 'Music on Top'.

JS&Hyun Ah placed first with the debut song 'Trouble Maker' on JTBC 'Music on Top' on the 5th. It was the first time JTBC ranked and picked the 1st place.

Photo Credit: CUBE entertainment