The actress Michelle Pfeiffer gets namechecked in the 2014 megahit "Uptown Funk" ("Michelle Pfeiffer, that white gold"). When it was released, "Riptide" by Vance Joy was on the charts; that song also mentions her ("Closest thing to Michelle Pfeiffer that you've ever seen").
"Everybody Wants To Rule The World" was a line from a 1980 Clash song called "Charlie Don't Surf." Tears For Fears used it as the title of their 1985 hit.
"Pink Cadillac" was a B-side for Bruce Springsteen in 1984, but after Aretha Franklin sang about pink Cadillacs on "Freeway Of Love" the following year, Natalie Cole covered the song and had a hit with it in 1988.
A one-ton bell was custom made for AC/DC's "Hell's Bells." The recording was slowed to half speed to make it sound like a more ominous two-ton bell.
Johnny Cash's wife, June Carter, wrote "Ring Of Fire" about their relationship.
Mike Nesmith wrote Linda Ronstadt's first hit, "Different Drum," before he joined The Monkees. He played an intentionally bad version of it on the show.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
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."
Starting in Virginia City, Nevada and rippling out to the Haight-Ashbury, LSD reshaped popular music.
"Come On Eileen" was a colossal '80s hit, but the band - far more appreciated in their native UK than stateside - released just three albums before their split. Now, Dexys is back.
Have you got the smarts to know which of these graduation song stories are real?
Guitarist Tony Iommi on the "Iron Man" riff, the definitive Black Sabbath song, and how Ozzy and Dio compared as songwriters.