Adolph Weiss (1885–1970) was an American composer and conductor known for his contributions to classical music, particularly in the realm of modernist composition. Born in New York City, Weiss studied at the University of Pennsylvania and later at the Paris Conservatory, where he was influenced by the European avant-garde. Weiss's genre primarily encompasses classical music, with a focus on orchestral, chamber, and vocal works. Among his notable compositions are the "Concerto for Orchestra," "Symphony No. 2," and several chamber works that reflect his innovative approach to harmony and structure. He was also known for his choral music, including settings of texts by contemporary poets. In addition to his compositions, Weiss was a significant figure in music education and advocacy, co-founding the American Composers Alliance. His impact lies in his role as a bridge between traditional classical music and the evolving modernist trends of the 20th century, helping to pave the way for future American composers. His works, while not as widely performed today, contributed to the diversification of the American classical repertoire.