First recorded by René Shuman (1986).
Hit version by Rod Stewart (US #5/UK #3/CAN #1/IRE #1/AUS #2 1991).
From the wiki: “‘Rhythm of My Heart’ is a rock song written by Marc Jordan and John Capek for Dutch Rock ‘n Roll artist René Shuman’s 1986 debut album René Shuman, with a melody adapted from ‘Loch Lomond’.
“In 1991 Rod Stewart’s recorded the song for his album Vagabond Heart. The song was produced by Trevor Horn, and was released as the album’s first single.”
The Corries, “Loch Lomond” traditional:
Rod Stewart, “Rhythm of My Heart” (1991):