+ wishlist Overtone Singing: Harmonic Dimensions of the Human Voice [9781949597226] Add to Cart The item has been added Author: Mark Van Tongeren Overtone Singing: Harmonic Dimensions of the Human Voice [9781949597226] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 99 38% 100 - 249 42% 250 - 499 46% 500 - 999 48% 1000+ 50% List Price As Low as $27.95 Format: Paperback