Listen: Unreleased Dio Era Black Sabbath Song Surfaces Online

A previously unreleased Black Sabbath song has found its way online.
The track, called “Slapback,” features Ronnie James Dio on vocals.
The newly released “Slapback” was found in a rehearsal recording the band did in 1979.
You can find “Slapback” on a Youtube channel run by the estate of longtime Black Sabbath keyboardist Geoff Nicholls.