Cher was 43 in 1989 when she landed one of her biggest hits: "If I Could Turn Back Time." It made her an unlikely MTV star thanks to a video shot on the battleship USS Missouri where she's entertaining the troops in fishnet stockings and a thong.
Elvis Presley recorded "Always On My Mind" in 1972, but Willie Nelson's version 10 years later was the hit and won the Song of the Year Grammy.
The riff for The Sex Pistols' "Pretty Vacant" was pinched from a very unpunk song, the ABBA ballad "S.O.S."
The first Eurodance hit in America was "Pump Up The Jam" by Technotronic in 1989. It led to a wave of Eurodance hits from the likes of Black Box, Snap! and C+C Music Factory in the early '90s.
"Anaconda" was originally recorded by Missy Elliott in 2012, but she decided to shelf the track so it went to Nicki Minaj, who released it two years later.
The song "Grease," sung by Frankie Valli in the 1978 movie, was written by Barry Gibb of The Bee Gees.
Outrageously gifted and just plain outrageous, Millie is an R&B and Rap innovator.
His keyboard work helped define the Muscle Shoals sound and make him an integral part of many Neil Young recordings. Spooner is also an accomplished songwriter, whose hits include "I'm Your Puppet" and "Cry Like A Baby."
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.
After studying in Paris with a famous composition teacher, Charles became the most successful writer of TV theme songs.
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.
Rob Thomas on his Social Distance Sessions, co-starring with a camel, and his friendship with Carlos Santana.