Billy Joel's "Uptown Girl" is about Christie Brinkley, who he married, but it started as a song about Elle McPherson, who he also went out with.
"Radioactive" set an industry record for the slowest climb to the top five in the Hot 100 chart's history when it jumped from #6 to #4 in its 42nd week.
ZZ Top's "Sharp Dressed Man" was the first video that was a sequel. It picked up the storyline of their "Gimme All Your Lovin'" video about a guy who encounters three beautiful women.
"Burning Down The House" by Talking Heads was inspired by chant band members heard at a P-Funk show where the crowd yelled, "burn down the house... burn down the house."
Members of the San Francisco 49ers, including Dwight Clark, Joe Montana and Ronnie Lott, sang backup on "Hip to Be Square" by Huey Lewis and the News.
Ellie Goulding's hit single "Burn" was originally demoed by Leona Lewis for her 2011 Glassheart album. She scrapped the tune when the project was retooled to include more ballads.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
The top chant artist in the Western world, Krishna Das talks about how these Hindu mantras compare to Christian worship songs.
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
Howard explains his positive songwriting method and how uplifting songs can carry a deeper message.
The "Midnight At The Oasis" singer is an Old Time gal. She talks about her jug band beginnings and shares a Dylan story.