The Eagles' first single, "Take It Easy," was written by Jackson Browne, who was living in the apartment below Glenn Frey when he wrote it.
Joni Mitchell wrote "Woodstock" - the most popular song about the festival - but didn't attend the event because she was booked on The Dick Cavett Show.
Adele's "Hello" was the first song to sell over a million downloads in a week. What's remarkable was that this was in 2015, when streaming was a viable option. Her fans were happy to pay for the song anyway.
"Pink Cadillac" was a B-side for Bruce Springsteen in 1984, but after Aretha Franklin sang about pink Cadillacs on "Freeway Of Love" the following year, Natalie Cole covered the song and had a hit with it in 1988.
The phrase "Mamma Mia" was big in 1976. It was the name of a popular Abba song, and also showed up in the lyrics to "Bohemian Rhapsody" by Queen.
Dolly Parton is just fine with Whitney Houston's cover of "I Will Always Love You." Said Parton: "She can have the credit. I just want my cash."
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
Franti tells the story behind his hit "Say Hey (I Love You)" and explains why yoga is an integral part of his lifestyle and his Soulshine tour.
The lead singer/lyricist for Anberlin breaks down "Impossible" and covers some tracks from their 2012 album Vital.
As a 5-year-old, Brandi was writing lyrics to instrumental versions lullabies. She still puts her heart into her songs, including the one Elton John sings on.
Go beyond The Beatles to see what you know about the British Invasion.
The co-writer/guitarist on many Alice Cooper hits, Dick was also Lou Reed's axeman on the Rock n' Roll Animal album.