Jay-Z did the rap on "Crazy In Love" at the last minute. He and Beyoncé had started dating and the Texan songstress asked him to get on the song the night before she had to turn in her album.
The motto for Boys Town, which was a Nebraska home for troubled youth, inspired the song "He Ain't Heavy, He's My Brother" by The Hollies.
Bob Marley's backup singers, The I Threes, claim they are the "Three Little Birds" in his famous song.
Sheriff had been disbanded for years when "When I'm With You" hit #1 in America thanks to rediscovery by radio stations. The group never re-formed and never made a video for the song.
"Babylon," in David Gray's song, refers to London, which was once known as the "modern-day Babylon."
In "I Walk The Line," Johnny Cash hums before each verse. He did this to get his pitch, as the song changes key several times.
Chris Stein of Blondie shares photos and stories from his book about the New York City punk scene.
Yngwie Malmsteen and Steve Vai were two of Graham's co-writers for some '80s rock classics.
These overtly religious songs crossed over to the pop charts, despite resistance from fans, and in many cases, churches.
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."
Starting in Virginia City, Nevada and rippling out to the Haight-Ashbury, LSD reshaped popular music.
Holly Knight talks about some of the hit songs she wrote, including "The Warrior," "Never" and "The Best," and explains some songwriting philosophy, including how to think of a bridge.