Learning to think in graphs can be fun In this book, readers learn about music in an entirely new way, through graphs This book contains 28 graphs of musical sound, plus data on musical instrument performance, including: Strings, Keyboard, Percussion, Woodwinds, Brass, Voice, and Conducting Graphs contain a selection of physics data including force, wind speed, gas pressure, sound pressure, and sound level, as well as biophysics data such as breathing and joint angle positions.