(Choral). A cappella teacher/performer/producer Rob Dietz expertly describes the nuts, bolts and artistry of creating contemporary a cappella music. Rob is the perfect person to write this text, produce the sample tracks available on line and draw from his vast community of a cappella experts for advice and experiences. Whether you are an a cappella newbie or seasoned expert, this resource is for you! "The perfect dare I say pitch perfect book for anyone looking to start an a cappella group or program!" Deke Sharon, Arranger/Producer: The Sing-Off, Pitch Perfect Includes digital access for audio. The tracks, expertly produced by the author, are examples of concepts presented in the book including warm-ups, bass vocal techniques, and arranging ideas.