Michael Joseph has created four different compositions based on well-known Christmas tunes. These can be mastered by the moderate-level organist with some work, and all are suitable to any denominational service or recital program. Titles include: Theme and Variations on Joseph Est Bien Marie" * Trio on "Good King Wenceslas" * Rondeau on "Ça, Bergers" * Improvisation on "Antioch."