After 47 visits to the Hot 100, Justin Bieber topped the tally for the first time on September 17, 2015 with "What Do You Mean?"
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.
The EMF song "Unbelievable" samples the raunchy comic Andrew Dice Clay saying, "What the f--k was that!"
Ed Sheeran thought he wrote the x track "Photograph" on 6th Street in Denver, so he got a tattoo saying 6 ST. But when he returned it turned out the street was actually 6th Avenue.
The 311 song "Amber" is likely about Nicole Scherzinger, who was dating the band's lead singer Nick Hexum.
George Harrison's 1971 song "Bangla Desh" was the first major charity single. It was part of a concert held to bring relief to the people of Bangladesh, who were fighting for independence and suffering from a famine.
Despite appearances on Carson, Leno and a Pennebaker film, Williams remains a hidden treasure.
Soul music legend Bill Withers on how life experience and the company you keep leads to classic songs like "Lean On Me."
"Dead Skunk" became a stinker for Loudon when he felt pressure to make another hit - his latest songs deal with mortality, his son Rufus, and picking up poop.
The leader of the Modern A Cappella movement talks about the genre.
