How many song's did Roger Emerson write?

Roger Emerson is a prolific composer and arranger, known primarily for his choral works. While the exact number of songs he has written can vary, he has contributed hundreds of pieces to the choral music repertoire, including arrangements and original compositions. His works are widely performed in schools and choirs around the world. For a precise count, one would need to refer to specific databases or catalogs of his music.