The Penderecki – Cadenza For Viola Solo book is a must-have for any viola player. This book contains the very best of Krzysztof Penderecki’s works, including his famous Cadenza For Viola Solo. With a total of XX pages, this book is packed with challenging yet rewarding pieces that will improve your skills and impress your audiences. The book is presented in a clear and easy-to-read format, making it a joy to use. Song list: 1. Cadenza for Viola Solo.