The electronic instruments in "Atomic Dog" represent the coming computer age, which is balanced by the instinctual dog, who barks and pants throughout the song.
Feist's "1234" is "about lost love, and the hope to recapture what you once had," but it's best known for the Sesame Street version about counting to four.
Zayn's "Pillowtalk" reached #1 on the Hot 100, something his former One Direction bandmates never achieved.
"The Long and Winding Road" became The Beatles' last US #1 song on June 13, 1970.
Songwriter Wayne Carson came up with "Always On My Mind" on the phone to his wife when he was apologizing to her for being stuck at the office.
"Stay" by Shakespears Sister is based on a 1953 B-movie called Cat-Women Of The Moon.
Armed with a childhood spent devouring books, Mike Scott's heart was stolen by the punk rock scene of 1977. Not surprisingly, he would go on to become the most literate of rockers.
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
Phone booths are nearly extinct, but they provided storylines for some of the most profound songs of the pre-cell phone era.
Find out how God and glam metal go together from the Stryper frontman.
Toto's keyboard player explains the true meaning of "Africa" and talks about working on the Thriller album.
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.