Erich Urbanner (b. 1920, Vienna, Austria; d. 2021) was an influential Austrian composer known for his contributions to contemporary classical music. He studied at the Hochschule für Musik in Vienna and later became a prominent figure in the post-World War II avant-garde movement. Urbanner's work encompasses a variety of genres, including orchestral, chamber, and choral music, as well as electroacoustic compositions. Notable works include "Concerto for Orchestra" (1966), "Sinfonia" (1975), and various pieces for solo instruments that explore innovative techniques and textures. His compositions are characterized by a blend of tonal and atonal elements, reflecting a deep engagement with the complexities of modern sound. In addition to his compositional output, Urbanner was a respected educator, teaching at institutions such as the University of Music and Performing Arts in Vienna. His influence extended through his students and his advocacy for contemporary music in Austria. Urbanner's contributions helped shape the landscape of 20th-century classical music, making him a significant figure in the evolution of modern compositional practices.