String quartet, op. 1 includes previously unreleased material = Streichquartett - Gould, Glenn 1932-1982; Gould, Glenn 1932-1982; Šostakovič, Dmitrij Dmitrievič 1906-1975; Šostakovič, Dmitrij Dmitrievič 1906-1975 (The Glenn Gould edition, 1997)