Fleetwood Mac's "Gypsy" is about Stevie Nicks' best friend, who died of leukemia.
Despite his hit "Forever In Blue Jeans," Neil Diamond was rarely seen in denim. He said the jeans are a symbol for how "the simple things are really the important things."
The first US Top 10 hit with the word "hell" in the title was "Gives You Hell" by The All-American Rejects in 2008.
Whitesnake's "Here I Go Again" is a very inspiring song, but it's really about heartbreak: David Coverdale wrote it when his first marriage was falling apart.
Mike Nesmith wrote Linda Ronstadt's first hit, "Different Drum," before he joined The Monkees. He played an intentionally bad version of it on the show.
All The Young Dudes "carry the news" because it was intended for a David Bowie concept album where Ziggy Stardust spreads the news in a world with electricity.
Gary Lewis and the Playboys had seven Top 10 hits despite competition from The Beatles. Gary talks about the hits, his famous father, and getting drafted.
Tom talks about the evolution of Cinderella's songs through their first three albums, and how he writes as a solo artist.
A selection of songs made to be terrible - some clearly achieved that goal.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
The "All I Want" singer went through a long depression, playing some shows when he didn't want to be alive.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.