Performances
Greg has performed on in our database.
| Year | Album | Credits | |
|---|---|---|---|
| 1980 | Herbie Hancock Monster |
Lead Vocals | |
Production
Greg has produced or co-produced in our database.
Collaborations
Greg has recorded with : Bill Champlin, Sheila E., Herbie Hancock, Alphonse Mouzon, Carlos Santana, Freddie Washington, Julia Waters, Luther Waters, Maxine Waters, Oren Waters, and Wah Wah Watson.