Performances
Johnny has performed on in our database.
| Year | Album | Credits | |
|---|---|---|---|
| 1981 | Ozzy Osbourne Diary of a Madman |
Keyboards | |
Production
Johnny has produced or co-produced in our database.
Collaborations
Johnny has recorded with : Bob Daisley, Lee Kerslake, Ozzy Osbourne, and Randy Rhoads.