{"type"=>"did", "value"=>"Performers: John Swallow, trombone ; Otto Luening, piano (1st work) ; recorded at Yale seminar (6th-9th works) Access to original items restricted. Original in: *LT-7-A 376, *LT-7-A 377, *LT-7-A 378."}
{"type"=>"did", "value"=>"Contents: Sonata for trombone and piano / Otto Luening (7:40) -- Woodwind quartet no. 1 / Elizabeth Gyring (3:44) -- Invention on twelve tones / Otto Luening (3:41) -- Incantation / Luening-Ussachevsky (2:32) -- Low speed / Otto Luening (3:39) -- Electronic study 1 / Mario Davidovsky (5:49) -- Piece for synthesizer / Milton Babbitt -- Ensembles / Babbitt -- Gargoyles / Luening -- Gargoyles. Sketches 1 and 2 -- Gargoyles. Tape part / Luening."}