Alban Berg was an Austrian composer known for his contributions to the atonal and expressionist movements in classical music, with works like "Wozzeck" and "Lulu" defining his legacy.
Gustav Mahler ... was a renowned Austrian composer and conductor, celebrated for his symphonies and song cycles that profoundly impacted the Romantic era of classical music.
Harry Partch was an American composer, music theorist, and creator of unique musical instruments, who revolutionized the understanding of musical microtonality.