A Worship Celebration for Choir and Congregation-Highly festive and highly useful! Use different portions of Christmas Alleluias as calls-to-worship responses or anthems. This extended medley is marked appropriately to fulfill a variety of worship needs during thebusy Christmas season. Don Wyrtzen's skillful settings of these favorite carols will inspire and heighten your Christmas worship. Available: SATB Instrumental Pak Preview Cassette Preview Pak ChoirTrax CD.