This is a Rock-Soul tribute to Primal Scream's "Rocks," which was a Top Ten UK hit for the band in 1994. Gabrielle explained in the Daily Mail: "I've always loved songs with an indie feel. Primal Scream liked what we'd done and said they couldn't better it. That was class."
"Heartbreak" was subsequently included on Gabrielle's 2013 hit compilation Now and Always: 20 Years of Dreaming. Speaking with Digital Spy, Gabrielle said that she's always loved the song. "Everyone kept asking me where it came from as it wasn't a single," she said. "I love, love, love that song so much. I used a Primal Scream song as the backing track which I loved and I remember it going down well when I did a one-off show in Birmingham a few years ago. I've always done what feels right for me and I suppose putting this song on there represents that!"