Joshua Leeds is a sound researcher, educator, and music producer with 40 hours of specialized soundtracks used in clinics, classrooms, and animal care facilities worldwide. He specializes in the field of psychoacoustics, the study of the effect of music and sound on the human nervous system, and bioacoustics, how human sound affects other living beings. The author of "Through a Dog's Ear" and "Sonic Alchemy", he lives in southern Oregon.