"Heart's on Fire" is a song by American rock singer John Cafferty. It was released in February 1986 as a single from the soundtrack to the film Rocky IV. The power ballad peaked at number 76 on the Billboard Hot 100 chart. It was written by Vince DiCola, Ed Fruge, and Joe Esposito. Critical reception Nancy Ehrlich of Billboard magazine reviewed called the song "high-adrenaline rock'n'roll over pummeling percussion." Personnel John Cafferty – vocals and guitar Gary Gramolini – lead guitar Pat Lupo – bass Kenny Jo Silva – drums Bobby Cotoia – keyboards Michael "Tunes" Antunes – saxophone Vince Dicola – keyboard Charts Certifications References 1985 songs 1986 singles John Cafferty songs Songs written by Vince DiCola Rock ballads Songs from Rocky (film series)