Jay-Z's 2012 "Glory" features his daughter Blue Ivy Carter's cries and coos. At less than two days old, she became the youngest ever credited artist to feature on a Billboard chart when the song debuted on R&B/Hip-Hop Songs at #74.

Joni Mitchell's "Big Yellow Taxi" is about the commercialization of Hawaii. On her first trip to the islands, she looked out of her hotel window and saw a parking lot as far as the eye could see.

Wang Chung's '80s classic "Dance Hall Days" is about how things can start simple but end up complex. First you "take your baby by the hand," but by the end she has an amethyst in her mouth.

Bruce Springsteen's "Born In The U.S.A." was inspired by the book (later a movie) Born On The Fourth Of July by Ron Kovic, a Vietnam veteran who protested the war when he returned home.

"Cum On Feel The Noise" was originally recorded by the British glam band Slade in 1973. Quiet Riot had their first hit with the song when they recorded it in 1983.

"Grenade" was a term used on the show Jersey Shore to mean an ugly girl. Bruno Mars says his hit song with that title was written before the show started.
Was a Beatles song a TV theme? And who came up with those Fresh Prince and Sopranos songs?
Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
Christopher Cross with Deep Purple? Kenny Loggins in Caddyshack? A Fact or Fiction all about yacht rock and those who made it.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
From the cowbell on "Mississippi Queen" to recording with The Who when they got the wrong Felix, stories from one of rock's master craftsmen.
Surprise exits, a catfight and some very memorable performances make our list of the most memorable Idol moments.