All works mono. except 3rd work. The 4th work for flute, oboe, clarinet, horn, trumpet, trombone, violin, viola, and piano. Title from container spine. "First release" [3rd-6th works]--Container. "Consists of previously released material [p1959]"--Container. Recorded at 30th Street Studios, New York City, June 30-July 1, 1958 (1st-2nd works), from a CBC radio broadcast, CBC Studios, Toronto, Apr. 23-24, 1964 (3rd work), and from CBC television broadcasts, CBC Studios, Toronto, 1977 (4th work), 1973 (5th work), and 1974 (6th work). Glenn Gould, piano; ensemble conducted by Boris Brott (4th work); James Campbell, clarinet (5th work).