Alexis Korner pictured with guitar and cigarette on the cover of his DVD Alexis Korner & Friends Live at the Marquee Club. The chain smoking Korner died in London aged 55; Gallagher died in 1995 aged just 47.

Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."

The Creedence Clearwater Revival song "Fortunate Son" is about how the Vietnam war was being fought by soldiers without the privilege or connections to get out of it. "It's the old saying about rich men making war and poor men having to fight them," John Fogerty said.

John Lennon's lead guitar work on Yoko Ono's "Walking On Thin Ice" proved to be his final creative act. It was upon their return home after completing laying down the track that Lennon was murdered by Mark David Chapman.
The TV show Cheers was nearly canceled after its first season, but the theme song, "Where Everybody Knows Your Name," was very popular. To satisfy viewer demand, the theme was made into a full song and released as a single.

Bob Dylan's original version of "Mr. Tambourine Man," released on his album Bringing It All Back Home, has no tambourine, just guitars and harmonica.
Did Eric Clapton really steal George's wife? What's the George Harrison-Monty Python connection? Set the record straight with our Fact or Fiction quiz.
Andrew Farriss on writing with Michael Hutchence, the stories behind "Mystify" and other INXS hits, and his country-flavored debut solo album.
The singer-songwriter Melanie talks about her spiritual awakening at Woodstock, "Brand New Key," and why songwriting is an art, not a craft.
"Great songwriters don't necessarily have hit songs," says Chris. He's written a bunch, but his fans are more interested in the intricate jams.
Does Angus really drink himself silly? Did their name come from a sewing machine? See if you can spot the real stories about AC/DC.