"Ghosttown" from 2014 was Madonna's 45th chart-topper on the Dance Club Songs chart, breaking the record for the most #1s an artist has tallied on a single Billboard chart.
Ellie Goulding's hit song "Lights" is about her fear of the dark, which forces the singer to sleep with the lights on.
Whitesnake's "Here I Go Again" is a very inspiring song, but it's really about heartbreak: David Coverdale wrote it when his first marriage was falling apart.
The "Mum-mum-mum-ma" hook on lady Gaga's "Poker Face" was sampled from Boney M's 1977 hit "Ma Baker."
Village People lead singer Victor Willis, who co-wrote "Y.M.C.A.," insisted it isn't a gay song - it's about hanging out with your buddies.
James Brown's "Get Up (I Feel Like Being a) Sex Machine" was the first Hot 100 hit with the word "sex" in the title.
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
Into the vaults for Bruce Pollock's 1984 conversation with the esteemed bluesman. Hooker talks about transforming a Tony Bennett classic and why you don't have to be sad and lonely to write the blues.
Yngwie Malmsteen and Steve Vai were two of Graham's co-writers for some '80s rock classics.
From "Some Day My Prince Will Come" to "Let It Go" - how Disney princess songs (and the women who sing them) have evolved.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
The author of Help! 100 Songwriting, Recording And Career Tips Used By The Beatles, explains how the group crafted their choruses so effectively.