The Bryan Adams song "(Everything I Do) I Do It For You" was almost rejected for the movie Robin Hood: Prince Of Thieves because it didn't sound medieval enough.
Joni Mitchell wrote "Woodstock" - the most popular song about the festival - but didn't attend the event because she was booked on The Dick Cavett Show.
The most famous song to prominently feature a French horn is "God Only Knows" by The Beach Boys.
Bobby Freeman's '50s hit "Do You Want To Dance" was also a Hot 100 hit for Del Shannon, The Beach Boys, The Mamas & the Papas, Bette Midler and the Ramones.
"Open Arms" was a pioneering power ballad. Stadium Rock bands like Journey shied away from slow songs, but when they reluctantly agreed to record this song, it became their biggest hit.
Elvis Presley' first #1 on any chart was "I Forgot To Remember To Forget." It arrived at the top of the country tally on February 25, 1956 and stayed there for two weeks.
Richie talks about producing the first two Kiss albums, recording "Brother Louie," and the newfound appreciation of his rock band, Dust.
The country hitmaker talks about his debut album, A Rock, and how a nursery rhyme inspired his hit single "One Beer."
"I'll Be" was what Edwin called his "Hail Mary" song. He says it proves "intention of the songwriter is 180 degrees from potential interpretation by an audience."
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
Long before Eminem, Justin Bieber and Nicki Minaj created alternate personas, David Bowie, Bono, Joni Mitchell and even Hank Williams took on characters.