Heartbeat (2PM song)

"Heartbeat" is a song by South Korean boy band2PM. It was released on November 10, 2009 via JYP Entertainment as the lead single for 01:59PM, the group's first studio album and first release since the departure of the group's leader Jaebeom. "Heartbeat" is often considered 2PM's signature song within South Korea due to the popularity of the group's performances, which were often parodied on television.