Late elementary. The Celebrated Christmas Duets series features arrangements of sacred carols and secular songs that are favorites of piano students at all levels. New and exciting harmonies and rhythms create satisfying musical experiences, and careful balancing of the primo and secondo parts gives both performers a chance to shine. Titles: Away in a Manger * God Rest Ye Merry, Gentlemen * Jingle Bells * The Little Drummer Boy * Up on the Housetop.