Randall Thompson (1899-1984) was an influential American composer and conductor, primarily known for his contributions to choral music. His works span various genres, including classical and sacred music, with a particular emphasis on choral and orchestral compositions. Thompson gained prominence for his choral pieces, most notably "Alleluia" (1940), which is renowned for its lyrical beauty and has become a staple in the choral repertoire. Other significant works include "The Peaceable Kingdom" (1936), a cantata based on the paintings of Edward Hicks, and "The Testament of Freedom" (1943), a choral work set to texts by Thomas Jefferson. Thompson's impact on music lies in his ability to blend traditional harmony with modern sensibilities, making his works accessible yet profound. He served as a professor at several prestigious institutions, including Harvard University, influencing a generation of composers and conductors. His commitment to choral music and the educational framework he provided helped elevate the status of American choral traditions, making him a prominent figure in 20th-century American classical music.