Bob Daisley
The album tracks from "Blizzard of Ozz" and "Diary of a Madman" are from the 2002 remasters, for which they were partially re-recorded. The original drum and bass tracks were replaced with recordings by Osbourne's then-current bassist Robert Trujillo and drummer Mike Bordin, as a management response to legal action by original bassist Bob Daisley and drummer Lee Kerslake for unpaid royalty fees.