Greg is active as a recitalist, soloist, and chamber musician. Equally at home as both a classical and jazz musician, he has performed professionally as a trombonist with many musical organizations, including the Rodney Mack Philadelphia Big Brass, Symphony in C, the Wilmington Ballet Orchestra, River City Big Band, Quartet die Posaunen, the Dave Stahl Sacred Orchestra, and the Pottstown Symphony.
As an orchestral musician, Greg has performed under the batons of Rossen Milanov, Cristian Macelaru, Luis Biava, Rosalind Erwin, John Douglas, Allan Scott, Jeri Lynne Johnson, Stuart Molina, and Charles Dutoit. His primary teachers include Matthew Vaughn and Glenn Dodson of the Philadelphia Orchestra, and James Erdman of the United States Marine Band.
- “Psychoacoustic Entropy Theory and Its Implications for Performance Practice.” D.M.A. diss. Temple University, 2014.
- “100% Pure Sound: An Interview with ITA Award recipient Michael Mulcahy.” International Trombone Association Journal Vol. 50, no. 4 (October 2022): 26–35.
- “Designing a comprehensive model of tonalness as an empirical basis for a general theory of musical harmony.” Paper presented at 1722–2022: trots siècles du Traité de Jean-Philippe Rameau, Paris, France, November 8, 2022.
- Applied lessons in Low Brass
- Brass Techniques
- Brass Quintet
- Low Brass Ensemble