Greg plays keyboards, keyboard bass in TranceVision and contributes to the compositions, arrangements and mixing of the songs. He has been playing with a wide variety of bands and artists in the Santa Fe/Albuquerque area.

Additional bands and projects include his participation in popular bands like Mystic Vision, Reverend Karol King Kong, Frank Leto, Inner Force, Inka Inka, Dub Lab, Dub Nation, Tony Culture, King Shark and JADE.