I'm a Loser was considered for release as a single until a track was written that featured the first uses of what in populer music?
I'm a Loser "I'm a Loser" is a song by the Beatles, originally released on "Beatles for Sale" in the United Kingdom, later released on "Beatles '65" in the United States. Written by John Lennon, (though credited to Lennon–McCartney), it was considered for release as a single until Lennon wrote "I Feel Fine".
Caroline, No "Caroline, No" is a song written by Brian Wilson and Tony Asher. It marked Wilson's solo debut when released as a single in March 1966, peaking at number 32 on the "Billboard" Hot 100. Two months later, Wilson's recording reappeared as the final track on the Beach Boys' studio album "Pet Sounds".