Ray, Mary Ruth (Musician, Violist)

Scope and Contents From the Collection: The collection contains 132 open-reel audio tapes comprising over 150 compositions, performances, and interviews with composers and musicians involved with EMS. The magnetic tapes and reels vary between the formats 1/4" tape, 7" reel; 1/2" tape, 10.5" reel; and 1/4" tape, 10.5" reel. The tapes are dated from 1978 – 1988, although many are undated, and feature work by people such as John Chowning, who was responsible for the discovery of the frequency modulation synthesis (FM) algorithm;...