Erich Moritz von Hornbostel was an Austrian ethnomusicologist, comparative musicologist, and scholar of music. He is remembered for his pioneering work in the field of ethnomusicology, and for the Sachs–Hornbostel system of musical instrument classification which he co-authored with Curt Sachs. He is also known as the father of the "Berlin School of Ethnomusicology" in conjunction with Carl Stumpf.