A varied list of initial featured artists also includes Kool and the Gang and Greta Van Fleet.
Brittany Howard and Brandi Carlile will also play at the Hollywood Palladium for the Citi Sound Vault series.
If 'Threads' is Crow's final full-length work, as she has suggested, then it's a remarkable closing statement.
Clapton played on the original 'Beware Of Darkness,' on his friend's classic 'All Things Must Pass' album.
Carlile and Shooter Jennings are the co-producers of Tucker's upcoming album 'While I'm Livin','' due on Fantasy Records on 23 August.
Other winners at the fourth annual event included Joe Boyd, Courtney Marie Andrews, Brandi Carlile and Ben Glover.