Song after song, Sixth Wave crashes into your head with unforgettable harmonies and passions. They are my favorite a cappella jazz group of the 21st century. --John Ritter, actor Great chops, great charts and an infectious sense of camaraderie. Six of L.A.'s best vocalists and arrangers pool their talent to form one of the tightest and most playful ensembles around. --Amy Engelhardt, member of a cappella group The Bobs Wow! Impressive. Difficult stuff! --Richard Carpenter, The Carpenters, songwriter and producer.