Drake's "One Dance" was the first ever song to rack up one billion streams on Spotify.
Michael McDonald's "I Keep Forgettin'" is based on a '60s song with the same title written by Jerry Leiber and Mike Stoller.
It really was so easy for Linda Ronstadt to score a hit with her Buddy Holly cover of "It's So Easy." She would sometimes change the lyric to: "It's so easy to have a hit, all you have to do is recycle it."
Jay-Z did the rap on Beyoncé's "Crazy In Love" at the last minute. They had just started dating; she asked him to feature on the track the night before she had to turn in her album.
Steely Dan's engineer, Roger Nichols, built one of the first drum machines, which they used on "Hey Nineteen."
One of the first teenage stars of the Rock Era was Lesley Gore, who was just 16 when she recorded "It's My Party," a huge hit in 1963. It gave us the iconic phrase, "It's my party, I'll cry if I want to."
Webb talks about his classic songs "By the Time I Get to Phoenix," "Wichita Lineman" and "MacArthur Park."
In this quiz, spot the artist who put Romeo into a song lyric.
Keyboard great David Sancious talks about his work with Sting, Seal, Springsteen, Clapton and Aretha, and explains what quantum physics has to do with making music.
His song "Into The Night" is one of the most-played of all time. For Benny, it took him to hell and back.
The renown rock singer talks about "The House of the Rising Sun" and "Don't Let Me Be Misunderstood."
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.