1. MS Mus. 1804/2/1 Reference (shelfmark): MS Mus. 1804/2/1 Title: Thea Musgrave. 'Triptych', for tenor and orchestra Scope & Content: Published by Chester, 1960. (1.) ff. 1-25. Sketches ('rough sketches'). (2.) pp. 1-68. Full score, on transparencies. (3.) pp. 1-19. Vocal score, on transparencies. Collection Area: Music Collections Languages: English Date Range: 1958?-1959 Extent: 1 volume