Igor Stravinsky was a Russian-born composer and conductor whose innovative, groundbreaking works, particularly "The Rite of Spring," revolutionized classical music.
Alexander Scriabin was a Russian composer and pianist whose innovative compositions and avant-garde ideas significantly influenced the development of 20th-century music.
Harry Partch was an American composer, music theorist, and creator of unique musical instruments, who revolutionized the understanding of musical microtonality.