Sia Furler wrote "Titanium" and wanted to give the tune to Katy Perry. She turned it down, so David Guetta recorded it instead using Sia's original demo guide vocal. It became a big hit, especially in the UK, where it went to #1.
Paul McCartney wrote "Hey Jude" to comfort John Lennon's 5-year-old son Julian, whose parents were getting a divorce.
Shakira calls her sons Milan and Sasha her "Waka Kids" because she met their father, Spanish soccer star Gerard Piqué, on the video shoot for "Waka Waka (This Time For Africa)," the official song of the 2010 FIFA World Cup in South Africa.
"One Way Or Another" is based on a stalker who creeped out Blondie lead singer Debbie Harry.
If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music video, the world's first 24-hour music video.
Jessie J had a lyric from her song "Who You Are" tattooed on her hip, but she spelled "lose" incorrectly so it reads: "Don't loose who you are in the blur of the stars."
"When seeds that you sow grow by the wicked moon/Be sure your sins will find you out/Your past will hunt you down and turn to tell on you."
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.
He's a singer and an actor, but as a songwriter Paul helped make Kermit a cultured frog, turned a bank commercial into a huge hit and made love both "exciting and new" and "soft as an easy chair."
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
Lots of life lessons in these Eagles lyrics - can you match them to the correct song?
As Procol Harum's lyricist, Keith wrote the words to "A Whiter Shade Of Pale." We delve into that song and find out how you can form a band when you don't sing or play an instrument.