Billy Joel is surprised that "Piano Man" is so successful. He called it "an old, long song about a guy at a depressing piano bar."
When Tony Bennett and Amy Winehouse's version of "Body and Soul" made the Hot 100, Bennett became at age 85, the oldest living artist to chart.
"Que Sera, Sera (Whatever Will Be, Will Be)" was written for Doris Day to sing in the Alfred Hitchcock movie The Man Who Knew Too Much.
The melody to "Yesterday" came to Paul McCartney in a dream, but the lyrics he had to write consciously. His first attempt at the title was "Scrabble Eggs."
Sly & the Family Stone's "Thank You (Falettinme Be Mice Elf Agin)" was a huge hit in 1970 and found new life when Janet Jackson sampled the bass riff on her 1989 hit "Rhythm Nation."
Lindsay Lohan has some lyrics from Billy Joel's "I Go To Extremes" tattooed on her ribcage: "Clear as a crystal, sharp as a knife I feel like I'm in the prime of my life."
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
The leader of the Modern A Cappella movement talks about the genre.
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
Kevin Godley talks about directing classic videos for The Police, U2 and Duran Duran, and discusses song and videos he made with 10cc and Godley & Creme.
The drummer for Anthrax is also a key songwriter. He explains how the group puts their songs together and tells the stories behind some of their classics.
"Mr. Jones" took on new meaning when the song about a misguided view of fame made Adam famous.