One cassette with case, box: 5 3/4 in. x 5 3/4 in. (14.6 cm x 14.6 cm); cassette: 2 1/4 in. x 4 in. (5.7 cm x 10.2 cm)

The earliest pioneer of what was eventually termed “minimalist music,” La Monte developed a signature style based on the isolation and marked prolongation of single tones. Believing that their ubiquity suggested a psychic and cosmic importance, Young quickly turned to electric sounds as the source of his music. By the time that SMS was released, Young had in fact been living an environment of continuous electrical tone for several years.