[1] In mid-August 1965, while returning to America from a two-week promotional tour of Britain, Bono noticed Cher repeatedly singing the Fortunes' "You've Got Your Troubles" to herself.

[2][3] He composed "But You're Mine" and quickly committed a demo recording of the song to tape.

Convinced it would be a hit, he presented the tape to Jerry Wexler of Atlantic Records, who was instead unimpressed.

[4] The American folk rock band the Lovin' Spoonful performed as studio musicians on the final recording.

[6] Billboard described the song as an "exciting rhythm ballad with offbeat message lyric.