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!