Jessie J had a lyric from her song "Who You Are" tattooed on her hip, but she spelled "lose" incorrectly so it reads: "Don't loose who you are in the blur of the stars."
When "Baby Love" reached the top spot, The Supremes became the first Motown act with two #1 hits on the Hot 100.
Iggy Pop wrote "Lust For Life" with David Bowie, who came up with the music on a ukulele.
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.
Kelly Clarkson's coronation song when she won American Idol in 2002 was "A Moment Like This," which was released as her first single and went to #1. Every finalist that season recorded the song in case they won.
Kesha (known at the time as Ke$ha) was still pretty wild when she released her song "Crazy Kids" in 2012. It's about one of her birthday parties that got a little out of hand.
Dave reveals the inspiration for "Feelin' Alright" and explains how the first song he ever wrote became the biggest hit for his band Traffic.
What's the deal with "Summer of '69"? Bryan explains what the song is really about, and shares more of his songwriting insights.
Meshell Ndegeocello talks about recording "Wild Night" with John Mellencamp, and explains why she shied away from the spotlight.
Julian tells the stories behind his hits "Valotte" and "Too Late for Goodbyes," and fills us in on his many non-musical pursuits. Also: what MTV meant to his career.
How Bing Crosby, Les Paul, a US Army Signal Corps Officer, and the Nazis helped shape rock and Roll.
Richie talks about producing the first two Kiss albums, recording "Brother Louie," and the newfound appreciation of his rock band, Dust.