"The Battle of Evermore" is the only song Zeppelin ever recorded with a guest vocalist. It features Sandy Denny from Fairport Convention duetting with Robert Plant.
"Mr. Tambourine Man" is the only song Bob Dylan wrote that became a #1 hit on the Hot 100. The Byrds' cover topped the chart in 1965.
The Black Eyed Peas shot the video for "Just Can't Get Enough" in Japan just a week before a devastating earthquake hit the country.
The seemingly inoffensive song "Deep In The Heart Of Texas" was banned by the BBC when it was released in 1942. They deemed the song too catchy, with authorities in wartime Britain concerned that factory workers would be distracted if they heard it during a shift.
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."
Most of us only know "Bad Boys" by Inner Circle from the 25 seconds used as the Cops theme, but it's a full song telling the story of a Jamaican youth who doesn't accept family support and ends up a criminal.
Michael tells the story of "Send Me On My Way," and explains why some of the words in the song don't have a literal meaning.
Starting in Virginia City, Nevada and rippling out to the Haight-Ashbury, LSD reshaped popular music.
For songwriters, Johnny represents the American man. He has been angry, cool, magic, a rebel and, of course, marching home.
Jon Anderson breaks down the Yes classic "Seen All Good People" and talks about his 1000 Hands album, which features Chick Corea, Rick Derringer, Ian Anderson, and many other luminaries.
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.