In this book, readers gain access to real scientific data pertaining to the science of sound production, promoting graph-reading, comparison, contrast, and calculation skills. Graphs show data from the following scientific instruments: Gas Pressure Sensor, Anemometer (Wind Speed), Dual-Range Force Sensor, and Sound Pressure Meter (Microphone). This book contains data collected from two guitars, a 1/2 size classical guitar with nylon strings, and a 30" folk guitar with steel strings. Bonus Material: Reprints of key reference materials from Volume 1 are included for convenience, including information on different types of microphone setups (mono, stereo, traditional stereo, &, x-y configuration), pictures of the harmonic overtone series, and graphs of theoretically calculated harmonic waves.