• Donald Fagen, Steely Dan
• Norah Jones
• BECK
• DJ Jazzy Jeff
• Roger Waters
• Rob Barocco, Dark Star Orchestra
• James Poyser, The Tonight show, Roots
• Paul Simon
• The Eagles
• Elvis Costello
• John Wesley Harding
• Page McConnel, Phish
• Jon Fishman, Phish
• Ray Paczkowski, Trey Anastasio Band
• Little Steven and the Disciples of Soul
• Harry Connick Jr.
• Robbie Bennett, War on Drugs
• Dopapod
• Bon Jovi
• Joe Mennonna, The Bacon Brothers Band
• Dennis Matkosky
• B.T.
• John Ferenzik
• Erik James
• Britt Floyd
• Arcade Fire
• Bon Iver
• KD Lang
• Splintered Sunlight
• The Mighty Manatees

• Sir Paul McCartney
• Ringo Star
• Norah Jones
• Sheryl Crow
• John Mayer
• Chuck Leavell, The Rolling Stones & David Gilmour
• Benmont Tench, Tom Petty and The Heartbreakers
• Page McConnell, Phish
• Jon Fishman, Phish
• Ray Paczkowski, Trey Anastasio Band
• Lenny Kravitz
• Jesse Carmichael, Maroon 5
• Ke$ha
• Styx
• Adam MacDougall, The Black Crowes
• Keb' Mo'
• Chris Kilmore, Incubus
• Jeff Tweedy, Wilco
• Glenn McClelland, Ween, Blood Sweat & Tears
• Little Steven & The desciples of Soul.
• John McEntire, Tortoise
• Dennis Matkosky, Grammy winning producer
• Robbie Bennett, The War on Drugs
• Tommy Barbarella, Prince & The New Power Generation
• Michael Frank 
• John Conahan 
• The Late George Duke (Rest in peace George)

• Westtown Entertainment
• Morningstar Studios
• Turtle Studio
• Sine Studio
• Forge Recording
• Catapult Sound Studio
• Rough & Tumble Studios
• Kawari Sound Studios
• EMEAPP.org
• Temple University
• Montgomery County Community College
• Johns Hopkins school of Music