Over 60 famous guys, including Joe Jonas, Ezra Koenig and Wiz Khalifa, show up in the 2017 video for "Boys" by Charli XCX. She directed it herself, instructing the boys to "do all the sexy things that girls usually do in videos."
Baseball Hall-of-Famer Phil Rizzuto is the announcer on Meat Loaf's "Paradise By the Dashboard Light." Rizzuto used to broadcast games for his former team, the Yankees.
The K-pop hit "Gangnam Style" became the most-viewed video in YouTube history months after it was released in 2012, a title it held until "See You Again" by Wiz Khalifa overtook it in 2017.
Bruce Springsteen's "Born In The U.S.A." was inspired by the book (later a movie) Born On The Fourth Of July by Ron Kovic, a Vietnam veteran who protested the war when he returned home.
The first single to simultaneously top the UK and US charts was The Everly Brothers' "Cathy's Clown" in May 1960.
The song used in introductions by the Chicago Bulls and many other sports teams is "Sirius" by The Alan Parsons project, the opening track on the Eye In The Sky album.
A top New York studio musician, Ralph played guitar on many '60s hits, including "Lightnin' Strikes," "A Lover's Concerto" and "I Am A Rock."
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
The in-depth discussion about the making of Jesus Christ Superstar with Ted Neeley, who played Jesus in the 1973 film.
Long before Eminem, Justin Bieber and Nicki Minaj created alternate personas, David Bowie, Bono, Joni Mitchell and even Hank Williams took on characters.
The lead singer and pianist for Procol Harum, Gary talks about finding the musical ideas to match the words.
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.