1. MS Mus. 1804/1/6/2 Reference (shelfmark): MS Mus. 1804/1/6/2 Title: Thea Musgrave: 'The Voice of Ariadne', chamber opera. Draft Scope & Content: Composition draft, in pencil and ink. Collection Area: Music Collections Languages: English Date Range: 1972-1973? Extent: 3 volumes