A Cappella pop singing . . . it's the hottest trend in the nation! Author Brody McDonald's award-winning ensemble, Eleventh Hour, was the first high school group to appear on NBC's The Sing-Off, and now you can similarly challenge your top high school and collegiate age singers with this book! With a foreword by Deke Sharon, topics include forming your ensemble, music selection, rehearsal techniques, sound reinforcement, vocal percussion, and much more!