An Allen Ginsberg line from his poem Howl inspired "Machinehead" by Bush: "Machine says I saw the best minds of my generation."
"I Swear" was a #1 country hit for John Michael Montgomery before All-4-One made it a #1 pop hit.
"The Best" by Tina Turner was originally recorded by Bonnie Tyler; Turner's hit version added a bridge and a saxophone solo by Edgar Winter.
Bernie Taupin was 17 when he wrote the lyrics to Elton John's "Your Song." Looking back, he says it's "one of the most naïve and childish lyrics in the entire repertoire of music."
"Summertime" by DJ Jazzy Jeff & the Fresh Prince is built on a sample of a Kool & The Gang instrumental from 1974 called "Summer Madness," which gets a shout in the line, "This is the Fresh Prince's new definition of summer madness."
Avril Lavigne's 2011 song "Darlin" was written much earlier; she says it's the second song she ever wrote, composed when she was an unsigned 15-year-old living in Napanee, Ontario. The song reflects those years when she was "trying to figure it all out."
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.
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Dean's saga began with "Ariel," a song about falling in love with a Jewish girl from New Jersey.
The "A Thousand Miles" singer on what she thinks of her song being used in White Chicks and how she captured a song from a dream.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
