"Tenderness" by General Public was partly inspired by the outbreak of AIDS, which at the time was thought to be contagious.
Adele's "Someone Like You" is the first song with just piano and voice to hit #1 in the history of the Billboard Hot 100, which started in 1958.
An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
Americans know the song "I'm Gonna Be (500 Miles)" by The Proclaimers thanks to the 1993 Johnny Depp movie Benny & Joon, where it plays in the opening scene. The song was first released in 1988 but got little attention in the US until it showed up in the film.
Pink Floyd's "Shine On You Crazy Diamond" is about their founding member Syd Barrett, who became an acid casualty. Notice the S-Y-D in the title.
The actor Dan Aykroyd sang on "We Are The World." LaToya Jackson did too, so we know they weren't all that picky.
The Red Hot Chili Peppers have some rather unusual song titles - see if you can spot the real ones.
Keyboard great David Sancious talks about his work with Sting, Seal, Springsteen, Clapton and Aretha, and explains what quantum physics has to do with making music.
Scaramouch, a hoople and a superhero soundtrack - see if you can spot the real Queen stories.
Was a Beatles song a TV theme? And who came up with those Fresh Prince and Sopranos songs?
The Nails lead singer Marc Campbell talks about those 44 women he sings about over a stock Casio keyboard track. He's married to one of them now - you might be surprised which.
Lori's songs have been recorded by Faith Hill and Sara Evans. She's performed on the CMAs and on Oprah. She also has five kids.