OHM+: The Early Gurus Of Electronic Music : 1948–1980
- Odun: 2005
- Orilẹ-ede:
- Oriṣi: Music, Animation, Documentary
- Situdio:
- Koko-ọrọ: electronic music, experimental music
- Oludari: Edin Velez, Lillian Schwartz, Beryl Korot, Frank Schaeffer
- Simẹnti: Bebe Barron, Milton Babbitt, Robert Moog, Iannis Xenakis, Morton Subotnick, Clara Rockmore
