The title "25 Or 6 To 4" by Chicago refers to the time it was written: either 25 minutes to 4 (3:35) or 26 (3:34).
Billy Joel's "My Life" was used as the theme song to the 1980 TV show Bosom Buddies, which starred a young Tom Hanks as a guy who lives in a hotel for women by dressing up as a girl.
The song "Knock On Wood" was confusing to UK listeners because the saying there is "Touch Wood."
Paul McCartney wrote "Blackbird" in Scotland after reading about race riots in the US, triggered when federal courts forced the racial desegregation of the Arkansas capital's school system.
Bob Dylan was little known when he released "Blowin' In The Wind" so the cover versions - especially by Peter, Paul and Mary and Stan Getz - were much more popular at the time.
When "Last Friday Night (T.G.I.F.)" climbed to #1 on the Hot 100, Katy Perry became the first woman to send five songs from one album to the top of the charts. The four previous chart-toppers from her Teenage Dream set were "California Gurls," "Teenage Dream," "Firework" and "E.T."
The drummer and one of the primary songwriters in Grand Funk talks rock stardom and Todd Rundgren.
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.
Despite her reticent personality, Adele's life and music are filled with intrigue. See if you can spot the true tales.
In this quiz, spot the artist who put Romeo into a song lyric.
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
The stories behind "Whole Of The Moon" and "Red Army Blues," and why rock music has "outlived its era of innovation."