Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
We've heard of artists putting their hearts into their music, but some take it literally.
With his X-wife Exene, John fronts the band X and writes their songs.
Katy Perry mentions McDonald's, Beyoncé calls out Red Lobster, and Supertramp shouts out Taco Bell - we found the 10 restaurants most often mentioned in songs.
A renowned guitarist and rock revivalist, Dave took "I Hear You Knocking" to the top of the UK charts and was the first to record Elvis Costello's "Girls Talk."
Was a Beatles song a TV theme? And who came up with those Fresh Prince and Sopranos songs?