Carefully graded carols are placed in order of difficulty within each book. Every carol has a duet part for the teacher or parent. May be used with any method. Titles: Deck the Hall with Boughs of Holly * Foom, Foom, Foom! * God Rest You Merry, Gentlemen * Joy to the World * March of the Three Kings * Mary’s Cradle Song * Silent Night * Sing Noel, Noel!