Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
The songwriting team Leiber and Stoller wrote "Hound Dog" for a blues singer named Big Mama Thronton, who first recorded the song in 1953. Elvis covered it in 1956, and it became his biggest hit.
Lou Reed's 11-minute "Street Hassle" features a spoken part by Bruce Springsteen.
Props to Aretha Franklin: her song "Respect" introduced the term "propers" as a sign of proper respect.
Sia planned to quit her solo career after her 2014 album 1000 Forms of Fear, but the "Chandelier" video proved so popular it drew her back in.
Hozier recorded his vocals for "Take Me To Church" in his attic at 3 a.m. one January morning in 2013
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
Waters tells the "Gypsy Woman" story, shares some of her songwriting insights, and explains how Dennis Rodman ended up on one of her songs.
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
Can you name Def Leppard's only #1 hit in America? Get rocked with this adrenalized quiz.
Tyler talks about his true love: songwriting. How he identifies the beauty in a melody and turns sorrow into art.
Many actors have attempted music, but only a few have managed a hit. Do you know which of these thespians charted?
