Performances
Greg has performed on in our database.
| Year | Album | Credits | |
|---|---|---|---|
| 2015 | Lamb of God VII: Sturm und Drang |
Background Vocals | |
Production
Greg has produced or co-produced in our database.
Collaborations
Greg has recorded with : Chris Adler, Willie Adler, Randy Blythe, John Campbell, and Mark Morton.