Here is a link to fabulous article by Deke Sharon posted recently. Barbershop: A Cappella's Martial Art. It articulates why Barbershop is the fabulous art form we know it is! Deke Sharon founded CASA (and other stuff), makes TV shows ("The Sing-Off"), movies ("Pitch Perfect"), sings (The House Jacks), produces albums (Straight No Chaser, Street Corner Symphony, Committed, Nota, Bubs), wrote a book (A Cappella Arranging), publishes sheet music (Hal Leonard),and custom arranges music (over 2,000 songs).