Released on March 6, 2009, “In a Heartbeat” was the lead single from Sandra’s album Back to Life. This song marks Sandra’s return to the pop music scene with a fresh, contemporary sound while maintaining the melodic charm that has always defined her music. Produced by Jens Gad, “In a Heartbeat” features an energetic rhythm and catchy hooks, with lyrics that explore themes of love, immediacy, and emotional connection.

The song’s production blends modern pop elements with Sandra’s signature style, creating a track that resonates with both long-time fans and new listeners. “In a Heartbeat” was accompanied by remixes that further expanded its reach in dance clubs and on the radio.

This single played a key role in reestablishing Sandra’s presence in the music world, highlighting her ability to evolve while staying true to her artistic roots.