Phillip has performed as a soloist at Carnegie Hall and the Bruno Walter Auditorium at Lincoln Center.

He has appeared with the San Francisco Symphony, San Francisco Opera (chorus), Aspen Opera Center, Aspen Symphonic Wind Ensemble, Reno Chamber Orchestra, Opera Las Vegas, San Mateo Masterworks Chorale and Orchestra, Pocket Opera, Mountain Play, Island City Opera, and the Hawaii Performing Arts Festival. Having sung over twenty roles in opera, operetta, and musical theater, favorite roles include King Arthur (Camelot), Don Giovanni (Don Giovanni), Marius (Les Misérables), Dr. Falke (Die Fledermaus), Marcello and Schaunard (La Bohème).

 As a concert artist, he's sung the baritone solo in Duruflé's Requiem,

and the bass solo in Beethoven's Choral Fantasy. His performance of Jacqueline Hairston's Songs of Concealment with Pocket Opera's PocketWatch was nominated by San Francisco Classical Voice  Audience Choice Awards for Best Vocal Solo/Recital Performance.