Zayn's "Pillowtalk" reached #1 on the Hot 100, something his former One Direction bandmates never achieved.
"Rhiannon" is a Welch goddess. Stevie Nicks wrote the song, and it was a huge influence on her image, inspiring her flowing shawls and black outfits she began wearing on stage.
Hugh Laurie, star of the TV show House, had a minor hit in 2011 with "Police Dog Blues," an old Blues song from 1929.
Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
Pat Benatar's "Hit Me With Your Best Shot" was written by a guy named Eddie after going through a weird therapy session where he punched pillows to get out his aggressions.
Two tears roll down Sinead O'Connor's face toward the end of the video for "Nothing Compares 2 U." They were shed because she associated the song's lyrics of love and loss with her mother, who was killed in a car accident in 1985.
The longtime Eagle talks about soaring back to his solo career, and what he learned about songwriting in the group.
Paul Stanley on his soul music project, the Kiss songs with the biggest soul influence, and the non-make-up era of the band.
Was Justin the first to be Punk'd by Ashton Kutcher? Did Britney really blame him for her meltdown? Did his bandmates think he was gay?
One of Canada's most popular and eclectic performers, Hawksley tells stories about his oldest songs, his plentiful side projects, and the ways that he keeps his songwriting fresh.
David Gray explains the significance of the word "Babylon," and talks about how songs are a form of active imagination, with lyrics that reveal what's inside us.
Bradley Cooper, Michael J. Fox, Rami Malek, Reese Witherspoon, Gwyneth Paltrow and George Clooney: Which actors really sang in their movies?