NY: Time Records, Inc., 1963. Stereo LP record (S/8009), red label. Gatefold sleeve, with 10 photos by Earle Brown and notes by the composers. Contains "Cartridge Music" by Cage; and "Duo for Violinist and Pianist", "Summer", and "Duet II" by Wolff. Disc Mint in slightly rubbed but o/w Near Fine sleeve.