Sam Smith's "Writing's On The Wall" was the first ever James Bond theme song to reach #1 in the UK.
Marilyn Monroe is the subject of Elton John's "Candle In The Wind," but the song is really a look at how we react to celebrities who die young.
Aimee Mann's "Save Me" was inspired by her relationship with the actor Dave Foley, who had gone through a divorce and was an emotional train wreck.
Train wrote the 2011 song "Brand New Book" for the TV show The Biggest Loser - part of the song was used in the opening credits.
"We Belong Together" finds Mariah Carey listening to the radio and hearing songs that remind her of heartbreak. Two real songs get specific mentions: "If You Think You're Lonely Now" by Bobby Womack and "Two Occasions" by The Deele (Babyface's group).
"Mr. Roboto" by Styx was written by their keyboard player, Dennis DeYoung, who used Japanese words and imagery to create an allegory about censorship.
It started with a bouncy MTV classic. Nirvana and MCR made them scary, then Gwen, Avril and Madonna put on the pom poms.
Before "Rap" was a form of music, it was something guys did to pick up girls in nightclubs. Donnie talks about "The Rapper" and reveals the identity of Leah.
Shears does very little promotion, which has kept him secluded from the spotlight. What changed when Cyndi Lauper had a hit with his song? Not much, really.
Rick Astley on "Never Gonna Give You Up," "Cry For Help," and his remarkable resurgence that gave him another #1 UK album.
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.
The men of Sparks on their album Hippopotamus, and how Morrissey handled it when they suggested he lighten up.