 He also gave the first public performance of Erich Wolfgang Korngold's music for the 1944 film "Between Two Worlds", as well as the European premiere of the "Suite from Schindler's List", composed and arranged by John Williams.In Barrie Gavin's documentary film, "", Frey performs the first public hearing of Korngold's second symphony, composed in Hollywood at the end of the composers life and exists only in piano score, in addition to playing several solo keyboard works and most of the background piano music.He has conducted James Helme Sutcliffe's "Gymnopedie" and "Night Music" (both world premieres), Charles Kalman's "Hudson Concerto", Naji Hakim's "Hymne de l'Univers" (North American premiere) and Ada Gentile's "Adagio and Adagio Prima, Adagio Seconda".