45% of the royalties for "Somebody That I Used To Know" go to the estate of the Brazilian classical guitarist Luiz Bonfá, whose song "Seville" Gotye sampled.
Bernie Taupin was 17 when he wrote the lyrics to Elton John's "Your Song." Looking back, he says it's "one of the most naïve and childish lyrics in the entire repertoire of music."
Ronnie Dunn wrote "Boot Scootin' Boogie" before he teamed up with Kix Brooks to form Brooks & Dunn. It was originally recorded by the country group Asleep At The Wheel, but Brooks & Dunn did it themselves when it got its own line dance.
"Do They Know It's Christmas?" by Band-Aid was the first big group charity single. It was organized by Bob Geldof, who a year later put together "We Are The World" and Live Aid.
"Mother" by Danzig is about censorship, specifically the Parents Music Resource Center, which pushed record labels to put warning stickers on albums with explicit lyrics.
"Toxic" was the most-searched song on Google in 2004 and helped Spears become the most-searched artist that year, a title she held from 1999-2001.
Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).
Is Owl City on a quest for another hit like "Fireflies?" Adam answers that question and explains the influences behind many others.
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.
Scott was Stevie Wonder's bass player before becoming a top session player. Hits he played on include "I Will Survive," "Being With You" and "Sara Smile."
Was a Beatles song a TV theme? And who came up with those Fresh Prince and Sopranos songs?
From "Some Day My Prince Will Come" to "Let It Go" - how Disney princess songs (and the women who sing them) have evolved.