Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
Evelyn McDonnell, editor of the book Women Who Rock, on why the Supremes are just as important as Bob Dylan.
The lead singer/lyricist of The Beach Boys talks about coming up with the words for "Good Vibrations," "Fun, Fun, Fun," "Kokomo" and other classic songs.
The Christian rapper talks about where his trip to Haiti and his history of addiction fit into his songs.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
Tim and his brother Richard are the Furs' foundation; Tim explains how they write and tells the story of "Pretty In Pink."