The Nicolette Larson hit "Lotta Love" was written by Neil Young, who recorded a very different version of the song.
Moby says that "We Are All Made Of Stars" is scientifically accurate, since all matter originates from stardust.
Jay-Z's version of "99 Problems" is a cover of a 1993 song by Ice-T with the lyrics changed to be about Jay's rise to fame.
Imagine Dragons lead singer Dan Reynolds says their 2012 hit "Radioactive" is "a song about having an awakening; kind of waking up one day and deciding to do something new, and see life in a fresh way."
"The Cave" by Mumford & Sons is based on the philosophy of Plato and his work called "Allegory of the Cave."
With his X-wife Exene, John fronts the band X and writes their songs.
How well do you know your David Bowie lyrics? Take this quiz to find out.
A selection of songs made to be terrible - some clearly achieved that goal.
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
Did Eric Clapton really write "Cocaine" while on cocaine? This question and more in the Clapton edition of Fact or Fiction.
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
