Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
Joe talks about the challenges of of making a Duke Ellington tribute album, and tells the stories behind some of his hits.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
Gramm co-wrote this gorgeous ballad and delivered an inspired vocal, but the song was the beginning of the end of his time with Foreigner.
Smith breaks down some of his worship tracks as well as his mainstream hits, including "I Will Be Here For You" and "A Place In This World."
When a song describes a wedding, it's rarely something to celebrate - with one big exception.