Paul McCartney marked this early track as the song that lifted The Beatles up to a new height, levelling up their career and songwriting abilities.

The Beatles butted heads with their producer, George Martin, while they were recording what would become their debut single.

The Beatles' famed 1963 song "Please Please Me" wasn't an easy sell to American record producers, but it changed the Fab Four's lives.

LISTEN NOW: Song Exploder — Sabrina Carpenter - "Please Please Please" If you’re ... always had that — let me give it to them straight — mentality,” Sabrina said.