William R. Bennett, Jr. (1930-2008) was a renowned physicist and professor at Yale University. Prof. Bennett is best known as co-inventor of the Helium-Neon laser. For over ten years, Prof. Bennett taught a widely popular undergraduate course on the physics of music at Yale, upon which this two-volume text is based. Prof. Bennett completed his B.A. at Princeton and received his Ph.D. from Columbia University in 1957. Over the course of his long career, Prof. Bennett was the recipient of numerous awards and honors, and served as master of Yale's Silliman College from 1981-1987. Andrew Morrison is an Associate Professor at Joliet Junior College in Joliet, IL. He completed his B.S. at the University of Northern Iowa in 2000 and his Ph.D. at Northern Illinois University in 2005. Prof. Morrison is Chair of the Acoustical Society of America Musical Acoustics Technical Committee.