Kelly Rowland was the first Destiny's Child member to have a hit away from the group: her Nelly duet "Dilemma."
Tired of X-Factor winners getting the UK Christmas #1, British Facebook users staged a successful campaign to download "Killing In The Name" by Rage Against The Machine enough times to boost the song to the top in 2009, blocking the X-Factor single by Joe McElderry.
Zach Bryan and Kacey Musgraves had both gone through divorces when they wrote and recorded the wrenching duet "I Remember Everything." It was the first #1 Hot 100 hit for each of them.
Sly & the Family Stone's "Thank You (Falettinme Be Mice Elf Agin)" was a huge hit in 1970 and found new life when Janet Jackson sampled the bass riff on her 1989 hit "Rhythm Nation."
With his song "The G.O.A.T.," as in Greatest Of All Time, LL Cool J popularized that saying in hip-hop. He credits the boxer Muhammad Ali, who called himself "The Greatest," as inspiration.
John Steinbeck's novel The Grapes of Wrath got its title from a line in "The Battle Hymn of the Republic": "He is trampling out the vintage where the grapes of wrath are stored."
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
Richie talks about the impact of "Amazed," and how his 4-year-old son inspired another Lonestar hit.
An interview with Frankie Valli, who talks about why his songs - both solo and with The Four Seasons - have endured, and reflects on his time as Rusty Millio on The Sopranos.
Fishbone has always enjoyed much more acclaim than popularity - Angelo might know why.
Starting in Virginia City, Nevada and rippling out to the Haight-Ashbury, LSD reshaped popular music.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.