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.

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

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.

In addition to the band's original compositions, The Beatles were also open to recording covers, particularly in their early years. Their 1963 debut album 'Please Please Me' included several ...