Over the years Gregory has worked with many artists and producers including the acclaimed Peter Asher. He has made and continues to make many orchestral and string arrangements and conducts countless studio sessions.
Linda Ronstadt Heart Like a Wheel (1974, 5 tracks, strings)
Madness Night Boat to Cairo (1975)
Deaf School Don’t Stop the World (1975, 2 tracks)
The Planets Mile High (1979, 1 track)
Sasha & Shawna Siren (2006, 7 tracks)
Diana Ross I Love You (2006, 5 tracks)