Collaborations

Greg has recorded with : Patti Austin, Tom Bahler, Brian Banks, Dave Bargeron, Michael Boddicker, Michael Brecker, Randy Brecker, Larry Carlton, Leon "Ndugu" Chancler, Jim Cox, Ronnie Cuber, Paulinho da Costa, Rick Derringer, Kevin Dorsey, George Duke, Alan Estes, Donald Fagen, Frank Floyd, David Foster, James Gadson, Alex Gibson, James Gilstrap, Gary Grant, Ed Greene, Gordon Grodie, Omar Hakim, Nelson Hayes, Richard Heath, Marlo Henderson, Gary Herbig, Howard Hewett, Jerry Hey, Dorian Holley, Bunny Hull, Kim Hutchcroft, James Ingram, Anthony Jackson, Janet Jackson, La Toya Jackson, Michael Jackson, Randy Jackson (Percussion), Paul Jackson, Jr. (Guitarist), Mortonette Jenkins, Augie Johnson, Louis Johnson, Steve Jordan (Drummer), Steve Khan, Will Lee, Vander "Starz" Lockett, Becky Lopez, Steve Lukather, Ray Luzier, Paul McCartney, Hugh McCracken, Paulette McWilliams, Lesley Miller, Marcus Miller, Rob Mounsey, Michael Omartian, David Paich, Dean Parks, Darryl Phinnessee, Jeff Porcaro, Steve Porcaro, Vincent Price, Chuck Rainey, Steven Ray, William Reichenbach, John Robinson, Nile Rodgers, David Lee Roth, Zack Sanders, Chris Shepard, Valerie Simpson, Greg Smith (Keyboardist), Rod Temperton, Dave Tofani, Phil Upchurch, Edward Van Halen, Freddie Washington, Julia Waters, Maxine Waters, Oren Waters, Bobby Watson, Wah Wah Watson, David Williams, Larry Williams, Zedrick Williams, Edgar Winter, Bill Wolfer, David "Hawk" Wolinski, Tracy Wormworth, Paul Young, and Jeremy Zuckerman.