The biggest hit of 2015 was "Uptown Funk," a collaboration between Bruno Mars and guitarist/producer Mark Ronson. Ronson says making it took "six or seven months of chasing Bruno around on tour."
"Paranoid" reflects a feeling Black Sabbath bass player Geezer Butler often felt after using drugs.
"Piano Man" was inspired by Billy Joel's time playing at a piano bar in Los Angeles. The "real estate novelist" was a guy who always talked about writing a book, but spent all his spare time in the bar.
"Rio" by Duran Duran is a metaphor for America, where the band was trying to break through.
The Information Society hit "What's On Your Mind (Pure Energy)" samples the voice of Leonard Nimoy (Spock) from an episode of Star Trek.
Bruce Springsteen originally wrote "Fire" for Elvis Presley in 1977, and even sent him a demo. Sadly the King died before he ever heard it, and it was left to the Pointer Sisters to record the song.
The man who brought us "Red Skies" and "Saved By Zero" is now an organic farmer in France.
The country hitmaker talks about his debut album, A Rock, and how a nursery rhyme inspired his hit single "One Beer."
The story of the legendary lupine DJ through the songs he inspired.
Waters tells the "Gypsy Woman" story, shares some of her songwriting insights, and explains how Dennis Rodman ended up on one of her songs.
How the American gangsta rappers made history by getting banned in the UK.
A top New York studio musician, Ralph played guitar on many '60s hits, including "Lightnin' Strikes," "A Lover's Concerto" and "I Am A Rock."