"Heartbeat" is a song by British rock group Late of the Pier. It was released as a single on the 4 August 2008. It is the first Late of the Pier song to chart, coming in at number 98 in the UK Singles Chart. It is notable for its time signatures, alternating between 4/4 and 7/8 timing. The song was previously known to fans as "7beat", and was titled "Heatbeat, Flicker, Line" on the band's Zarcorp Demo.