"Your Time Is Gonna Come" became the first Led Zeppelin song to be covered when Sandie Shaw recorded it in 1969.
The first Good Charlotte hit, "Lifestyles Of The Rich And Famous," is a send-up of celebrity culture, but the group's leaders, Joel and Benji Madden, both married celebrities: Nicole Richie and Cameron Diaz, respectively.
At the end of AC/DC's "Night Prowler," you hear Bon Scott say, "Shazbot, Nanu Nunu." Those were Robin Williams' sayings on his TV show Mork & Mindy. Scott was a big fan.
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.
"Crazy Train" by Ozzy Osbourne is about the Cold War concept of Mutually Assured Destruction (M.A.D.) should any nuclear missile be fired.
The song "Without You," a hit for Nilsson in 1972 and Mariah Carey in 1994, was written and originally recorded by Badfinger in 1970.
A song he wrote and recorded from "sheer spiritual inspiration," Allen's didn't think "Southern Nights" had hit potential until Glen Campbell took it to #1 two years later.
Have you got the smarts to know which of these graduation song stories are real?
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
Chad tells tales from his time as drummer for Nirvana, and talks about his group Before Cars.
A renowned guitarist and rock revivalist, Dave took "I Hear You Knocking" to the top of the UK charts and was the first to record Elvis Costello's "Girls Talk."
Lots of life lessons in these Eagles lyrics - can you match them to the correct song?