{"type"=>"did", "value"=>"Performers: Studio für elektronische Musik, Munich, 8/4/1961 (3rd work) ; recorded by the composer in 1957 (4th work) ; Boston Symphony Orchestra ; Leonard Bernstein, conductor, April 7, 1956 (6th work). Access to original items restricted. Original in: *LT-7-A 315, *LT-7-A 316, *LT-7-A 317, *LT-7-A 318, *LT-7-A 319."}
{"type"=>"did", "value"=>"Contents: Experiments with the binary touchboard / Rosberger (5:54) -- Vartag / Otto Luening (10:44) -- Demonstration tape / Siemens (13:47) -- The Doors / Richard Trythall (8:55) -- Fantasia sopra un motivo per pianoforte / Robert Moevs (6:32) -- Fourteen variations for orchestra / Robert Moevs (20:23)."}