Tom Hanks was already one of Hollywood's biggest stars when he worked with Paul Newman, but that didn't stop him from being starstruck.
While John Lennon's critique of The Beatles' other members is well known, he also criticised his own work too, as he grew to hate the songs that he wrote.
Radiohead songwriter Thom Yorke has had his fair share of proud moments with the Oxfordshire band, but one single from 'Kid A' remains an ultimate highlight.
Oasis songwriter Noel Gallagher has never shied away from discussing his musical tastes, and the Mancunian has always haboured a deep love for Bob Dylan.