
Katy Perry's song "E.T." came from a beat originally intended for the rap group Three Six Mafia. When her producer accidentally pulled up the beat, Perry asked to use it.

Paul McCartney's favorite song that he wrote for someone else is Cilla Black's 1968 UK Top 10 hit "Step Inside Love."

John Legend wrote "All Of Me" about his fiancée Chrissy Teigen. He sang it to her at their wedding ceremony in Como, Italy.
"End Of The Road" by Boyz II Men comes off a bit thirsty, especially when we find out the girl cheated on him. The sketch show In Living Color parodied the song, with the group as "Boyz II Wimps."

Barry Sonnenfeld, who would later direct the movies Get Shorty and Men in Black, was the director of photography on the "Rock the Casbah" video for The Clash.

With his song "The G.O.A.T.," as in Greatest Of All Time, LL Cool J popularized that saying in hip-hop. He credits the boxer Muhammad Ali, who called himself "The Greatest," as inspiration.
Was "Pearl" Eddie Vedder's grandmother, and did she really make a hallucinogenic jam? Did Journey have a contest to name the group? And what does KISS stand for anyway?
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
The first of Billy's five #1 hits was the song that propelled Madonna to stardom. You'd think that would get you a backstage pass, wouldn't you?
You may not recognize his name, but you will certainly recognize Peter Lord's songs. He wrote the bevy of hits from Paula Abdul's second album, Spellbound.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
With the band in danger of being dropped from their label, Alice Cooper drummer Neal Smith co-wrote the song that started their trek from horror show curiosity to the Rock and Roll Hall of Fame.