Three previously unreleased works by composer Phil Niblock--Index" (1969); "Tenor" (1972); "Boston III" (1972)--plus an earlier version, "Boston I", all rich works of microtones, overtones, and drones that point to the direction of his subsequent work; "Boston III" was recorded with Rhys Chatham (flute, voice), Martin Bough (tenor saxophone), and Gregory Reeve (viola, voice).

Early tape collage works from Fluxus founder and member of the Experimental Media Foundation Philip Corner, five distinct pieces recorded and developed between 1962 to 1963 in New York's Lower East Side, including Lucinda Pastime" for a a dance piece by Lucinda Childs, and "Oracle, a Canata on Images of War" commissioned by the Living Theatre; includes a 16-page booklet.