Carl Deis (1893–1975) was an American composer, conductor, and educator, primarily known for his contributions to choral and vocal music. His work spanned a variety of genres, including classical, sacred, and educational music. Deis is particularly noted for his arrangements and compositions for choirs, which often incorporated traditional hymns and folk melodies. One of his notable works is "A Choral Celebration," a collection of pieces that showcases his ability to blend lyrical melodies with harmonic richness. He also authored several instructional texts for vocalists, emphasizing vocal technique and choral leadership, which have been used extensively in music education. Deis's impact on music is most evident in his influence on choral programs across the United States, where his arrangements remain popular in church and school settings. His commitment to music education helped shape the development of choral singing in America, fostering a deeper appreciation for vocal music among both performers and audiences. Through his compositions and pedagogical efforts, Carl Deis left a lasting legacy in the world of choral music.