The first big hit to blend EDM with country music was "Wake Me Up" by the Swedish DJ Avicii. He put the song together with Mike Einziger of Incubus and with Aloe Blacc, who sings on it.
"Your Time Is Gonna Come" became the first Led Zeppelin song to be covered when Sandie Shaw recorded it in 1969.
Beyoncé married Jay-Z five months before releasing "Single Ladies (Put a Ring On It)," a song she sang in character as her alter-ego, Sasha Fierce.
Bob Marley gave the songwriting credit for "No Woman No Cry" to his friend Vincent Ford, who ran a soup kitchen in Trenchtown, the area of Kingston where Marley grew up.
"I Just Called To Say I Love You" is Stevie Wonder's best-selling single worldwide. It topped the Hot 100, AC, R&B and UK charts all in the same week.
"Do The Bartman," released at the peak of Simpsons-mania, has uncredited backup vocals by Michael Jackson, who later appeared on the show.
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."
When he was playing Ozzfest with Black Label Society, a kid told Zakk he was the best Ozzy guitarist - Zakk had to correct him.
Dean's saga began with "Ariel," a song about falling in love with a Jewish girl from New Jersey.
The rock revolutionist on songwriting, quitting smoking, and what she thinks of Rush Limbaugh using her song.
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.
Brian has unearthed outtakes by Fleetwood Mac, Aretha Franklin, Elvis Costello and hundreds of other artists for reissues. Here's how he does it.