Billy Joel is surprised that "Piano Man" is so successful. He called it "an old, long song about a guy at a depressing piano bar."
The title "25 Or 6 To 4" by Chicago refers to the time it was written: either 25 minutes to 4 (3:35) or 26 (3:34).
After Gwen Stefani and Gavin Rossdale hooked up in 1996, Rossdale's Bush bandmates referred to their hit song as "Everything Gwen."
The Fratellis song "Chelsea Dagger" was named for their lead singer's wife - it was her burlesque name.
Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
Paul McCartney wrote "Hey Jude" to comfort John Lennon's 5-year-old son Julian, whose parents were getting a divorce.
Waters tells the "Gypsy Woman" story, shares some of her songwriting insights, and explains how Dennis Rodman ended up on one of her songs.
Todd Rundgren explains why he avoids "Hello It's Me," and what it was like producing Meat Loaf's Bat Out of Hell album.
The lead singer and pianist for Procol Harum, Gary talks about finding the musical ideas to match the words.
Songs that seem to glorify violence against women are often misinterpreted - but not always.
How a country weeper and a blues number made "rolling stone" the most popular phrase in rock.
Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."