2PM will be revealing their new song on the 29th at SBS's "Gayo Daejun."

They will also be showing a 'shocking' and never before seen ending performance for 'Heartbeat.'
2PM's Kim Junsu will also be in a performance with Kim Taewoo, K.Will, and SHINee's Jonghyun on a harmonious stage that is expected to capture the heart of females.

CREDITS: NEWSEN(SOURCE); hazyfiasco@2ONEDAY(TRANS)