Meghan Trainor and her producer Kevin Kadish wrote "All About That Bass" for another artist to record, but after Epic Records boss LA Reid heard Meghan play a demo of the song on a ukulele, he signed her to his label and told her she should sing it.
"True" by Spandau Ballet has some lyrics based on parts of the Vladimir Nabokov novel Lolita, including "Take your seaside arms," which in the book is "That little girl with her seaside limbs."
Frank Sinatra was 64 when he had his last hit: "New York, New York." The song pegged him to New York City, leaving Las Vegas to Elvis.
"Midnight Train To Georgia" was originally "Midnight Plane To Houston," but was changed to sound more R&B.
"Strawberry Letter 23" by The Brothers Johnson was written by Shuggie Otis, whose girlfriend would send him letters written on strawberry-scented paper.
The inspiration for Gordon Lightfoot's "Sundown" came when he was worrying about his girlfriend, who was out at bars all day while he was home writing songs.
Rufus Wainwright on "Hallelujah," his album Unfollow The Rules, and getting into his "lyric trance" on 12-hour walks.
An interview with Frankie Valli, who talks about why his songs - both solo and with The Four Seasons - have endured, and reflects on his time as Rusty Millio on The Sopranos.
Does he have beef with Gaga? Is he Sean Lennon's godfather? See if you can tell fact from fiction in the Elton John edition.
The co-writer/guitarist on many Alice Cooper hits, Dick was also Lou Reed's axeman on the Rock n' Roll Animal album.
Rise Against frontman Tim McIlrath explains the meanings behind some of their biggest songs and names the sci-fi books that have influenced him.
Roger tells the stories behind some of his biggest hits, including "Give a Little Bit," "Take the Long Way Home" and "The Logical Song."