Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."
Roger Daltrey stutters the vocal on "My Generation" by The Who. The idea was to sound like a British kid on speed.
"Torn" by Natalie Imbruglia was first recorded by the group Ednaswap in 1993. It was written by Ednaswap's Anne Previn and Scott Cutler, who went on to write some hits for Miley Cyrus.
The most famous pop song featuring a bassoon: "The Tears of a Clown" by Smokey Robinson & the Miracles.
Corinne Bailey Rae's 2006 hit "Put Your Records On" borrows the opening line ("Three little birds sat on my window") from the Bob Marley song "Three Little Birds." Both songs have the same message: Don't worry, because every little thing's going to be alright.
The actor Dan Aykroyd sang on "We Are The World." LaToya Jackson did too, so we know they weren't all that picky.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
Dennis DeYoung explains why "Mr. Roboto" is the defining Styx song, and what the "gathering of angels" represents in "Come Sail Away."
Many unusual folks appear in Grateful Dead songs. Can you identify them?
The Garbage drummer/songwriter produced the Nirvana album Nevermind, and Smashing Pumpkins' Gish and Siamese Dream.
When he was playing Ozzfest with Black Label Society, a kid told Zakk he was the best Ozzy guitarist - Zakk had to correct him.
If the name Citizen Dick means anything to you, there's a chance you'll get some of these right.