"The Long and Winding Road" became The Beatles' last US #1 song on June 13, 1970.
"Constant Craving" by k.d. lang deals with principles of Buddhism, including the cycles of birth and death.
Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
Christina Aguilera did her "Beautiful" vocal in one take; the opening line, "Don't look at me," is something she said to her friend in the studio who was there to offer support.
Beyoncé married Jay-Z five months before releasing "Single Ladies (Put a Ring On It)," a song she sang in character as her alter-ego, Sasha Fierce.
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
Danny played guitar on Sweet Baby James, Tapestry, and Running On Empty. He also co-wrote many hit songs, including "Dirty Laundry," "Sunset Grill" and "Tender Is The Night."
Find out how God and glam metal go together from the Stryper frontman.
Dean wrote the screenplay and lyrics to all the songs in Footloose. His other hits include "Fame" and "All The Man That I Need."
Bob was the bass player and lyricist for the first two Ozzy Osbourne albums. Here's how he wrote songs like "Crazy Train" and "Mr. Crowley" with Ozzy and Randy Rhoads.
Martyn talks about producing Tina Turner, some Heaven 17 hits, and his work with the British Electric Foundation.