Otis Redding often ad-libbed vocals at the end of songs, but for "(Sittin' On) The Dock Of The Bay" he just whistled instead - it became some of the most famous whistling in song history.
Madonna's hit "Don't Tell Me" was written by her brother-in-law, Joe Henry, who has produced albums by Hugh Laurie and Bonnie Raitt.
Alicia Keys, Elton John, Fergie, and Rihanna all sang on "All of the Lights" by Kanye West.
"Hot n Cold" by Katy Perry is about a real guy - an ex who would seem really interested at times but would then just disappear.
"Soul Man" was a new term when the song was written in 1967. As defined by Sam & Dave, the "soul man" was a farmer "comin' to ya on a dusty road."
The Annie Lennox hit "No More I Love You's" is a cover, originally sung by a man.
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
Rickie Lee Jones on songwriting, social media, and how she's handling Trump.
If you can recall the days when MTV played videos, you know that there are lots of stories to tell. See if you can spot the real ones.
If the name Citizen Dick means anything to you, there's a chance you'll get some of these right.
Holly Knight talks about some of the hit songs she wrote, including "The Warrior," "Never" and "The Best," and explains some songwriting philosophy, including how to think of a bridge.