The "All I Want" singer went through a long depression, playing some shows when he didn't want to be alive.
Despite appearances on Carson, Leno and a Pennebaker film, Williams remains a hidden treasure.
It wasn't her biggest hit as a songwriter (that would be "Bette Davis Eyes"), but "Put a Little Love in Your Heart" had a family connection for Jackie.
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."
Long before Eminem, Justin Bieber and Nicki Minaj created alternate personas, David Bowie, Bono, Joni Mitchell and even Hank Williams took on characters.
One of the first successful female singer-songwriters, Janis had her first hit in 1967 at age 15.