The Orange Book - Includes suggested Advent Carol Service. A second collection of 50 carols, mostly for mixed voices, some unaccompanied, and some having accompaniments for piano, or organ, or orchestra, or brass ensemble. Many of the carols are from traditional sources, rearranged: among the items composed especially for this volume are carols by William Walton, Benjamin Britten, Richard Rodney Bennett, and William Mathias.