Performances
Greg has performed on in our database.
| Year | Age | Album | Credits | |
|---|---|---|---|---|
| 1999 | Red Hot Chili Peppers Californication |
Keyboards | ||
| 2011 | Red Hot Chili Peppers I'm With You |
Piano | ||
Production
Greg has produced or co-produced in our database.
Collaborations
Greg has recorded with : Michael "Flea" Balzary, Lenny Castro, John Frusciante, Anthony Kiedis, Josh Klinghoffer, Mauro Refosco, Chad Smith, and Patrick Warren.