Writing for a variety of instruments and ensembles, Poshek-Gladbach is particularly keen on writing solo and chamber works for the piano and harpsichord. His recent compositions include: Variations on a Children`s Song (flute & piano); Toccata (solo piano); Abreactions (solo piano); Mosaic (trio for horn, violin, & piano); Introduction & Meditation on the Annunciation (chamber organ); Suite for Trombone & Flute; and Three Contrasting Trifles for B-flat Clarinet.