The Hidden Words of Baha'u'llab (1977) for soprano, flute, and piano, by Zenobia Powell Perry, as heard on Cambria compact disc 1138, distributed by Naxos, and performed by Janis-Rozena Peri, soprano, flutist Joyce Catafalno, and pianist John Crotty. There are six songs in this cycle: O son of spirit; O children of men; O son of being; O friends abandon not the everlasting beauty; O companion of my throne; and O oppressors on earth withdraw. 61 pages.