Heartbeat is a love song. In its chorus it has the words dancin’ to the rhythm of your heartbeat. The story teller has fallen in love and wants her lover’s heartbeat to dictate her actions, not out of rules but out of her love for him.
I see this in Father God’s relationship with the Son in John 5:19-23. The Son is following the Father’s heartbeat. Which heartbeat do you follow? God’s heartbeat? The World’s heartbeat? Your peer group’s heartbeat? Look for God’s heartbeat to be the heartbeat of your life.