Facts101 is your complete guide to Materials and Techniques of Twentieth-Century Music. In this book, you will learn topics such as THE VERTICAL DIMENSION: CHORDS AND SIMULTANEITIES, THE HORIZONTAL DIMENSION: MELODY AND VOICE LEADING, HARMONIC PROGRESSION AND TONALITY, and DEVELOPMENTS IN RHYTHM plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.