Paul Ambrose was a Canadian organist, conductor, composer, and music educator who was primarily active in the United States. His compositional output includes more than 200 songs, choral pieces, and works for solo piano and organ. He is particularly remembered for his anthems which have been performed widely in North America. Some of his more well known works include the anthems Saviour, Breathe an Evening Blessing, O Little Town of Bethlehem, and Come unto Me; and the song Rose-Bud.