1. MS Mus. 1804/1/12/6/2 Reference (shelfmark): MS Mus. 1804/1/12/6/2 Title: Thea Musgrave: 'Simon Bolívar', opera. Composition draft Scope & Content: Composition draft in ink, coloured inks and pencil. Collection Area: Music Collections Languages: English Date Range: 1989-1992 Extent: 4 volumes