The idea for "The Man Comes Around" came to Johnny Cash from a dream he had where he was in Buckingham Palace and the Queen said to him, "Johnny Cash, you're just like a thorn tree in a whirlwind."
Robert Plant's "Heaven Knows" is a satirical look at the '80s, when style seemed to trump substance.
"Strawberry Letter 23" by The Brothers Johnson was written by Shuggie Otis, whose girlfriend would send him letters written on strawberry-scented paper.
The Beastie Boys' "No Sleep Till Brooklyn" is a parody of heavy metal music. Kerry King of Slayer played guitar on the track - purposefully out of tune in parts.
There really is a Girl From Ipanema. Her name is Helo Pinheiro, and she would walk "Like a samba" past the bar the songwriters frequented, providing the inspiration.
"Kiss On My List" by Hall & Oates is actually an anti-love song - the kiss is just one item on a list, and by no means the best.
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
A drummer for one of the most successful metal bands of the last decade, Chris talks about what it's like writing and performing with Slipknot. Metal-neck is a factor.
Richie talks about the impact of "Amazed," and how his 4-year-old son inspired another Lonestar hit.
Rick has a surprising dark side, a strong feminine side and, in a certain TV show, a naked backside. But he still hasn't found Jessie's Girl.
Was Justin the first to be Punk'd by Ashton Kutcher? Did Britney really blame him for her meltdown? Did his bandmates think he was gay?
The renown Texas songwriter has been at it for 40 years, with tales to tell about The Flatlanders and The Clash - that's Joe's Tex-Mex on "Should I Stay or Should I Go?"