As a composer, Uhl synthesized elements from neo-classicism, atonality, serialism and traditional tonal and contrapuntal idioms. His vibrant style combined technical sophistication and musical charm with wit and humour, rhythmic inventiveness, thematic development and advanced harmonic language. He wrote eight film scores, one opera, several choral works, and multiple symphonic and chamber music pieces. He wrote extensively for the clarinet, including educational material and works that are still common repertoire. His most famous educational pieces are the two volumes which comprise the 48 Studies (see below). His Divertimento for Three Clarinets and Bass Clarinet is one of the most performed works for the medium. Written in 1942 for clarinettists from the Vienna Philharmonic, it is a very demanding 3-movement work structured similarly to a conventional...