The "Do They Know It's Christmas?" single with the group photo:
"Coming Home" by Diddy - Dirty Money was originally iwritten for for T.I., who was getting out of prison at the time.

Katy Perry's "Dark Horse" was co-written by Sarah Hudson, who was a member of the pop group Ultraviolet Sound. Though Sarah isn't related to Katy (whose real name is Katy Hudson), she is the first cousin of another famous person with the same name, the actress Kate Hudson.

"Cult of Personality" by Living Colour incorporates speeches by John F. Kennedy, Malcolm X and Franklin D. Roosevelt.

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.

Props to Aretha Franklin: her song "Respect" introduced the term "propers" as a sign of proper respect.

Alicia Keys got a huge break when Oprah had her perform her debut single "Fallin'" on her show.
The Creed lead singer reveals the "ego and self-fulfillment" he now sees in one of the band's biggest hits.
The Yardbirds drummer explains how they created their sound and talks about working with their famous guitarists.
Charlotte was established in the LA punk scene when a freaky girl named Belinda approached her wearing a garbage bag.
The drummer and one of the primary songwriters in Grand Funk talks rock stardom and Todd Rundgren.
A top session musician, Carol played on hundreds of hits by The Beach Boys, The Monkees, Frank Sinatra and many others.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.