1. MS Mus. 1804/5/16 Reference (shelfmark): MS Mus. 1804/5/16 Title: Thea Musgrave: orchestral works. 'Autumn Sonata-Concerto for Bass Clarinet and orchestra'. Scope & Content: The work was formerly known as 'Midnight Sonata'. Collection Area: Music Collections Languages: English Date Range: 1993 Extent: 2 volumes
2. MS Mus. 1804/5/16/1 Reference (shelfmark): MS Mus. 1804/5/16/1 Title: Thea Musgrave: 'Autumn Sonata-Concerto for Bass Clarinet and orchestra. Sketches Scope & Content: Sketches; 1993? Collection Area: Music Collections Languages: English Date Range: 1993? Extent: 1 volume
3. MS Mus. 1804/5/16/2 Reference (shelfmark): MS Mus. 1804/5/16/2 Title: Thea Musgrave: 'Autumn Sonata-Concerto for Bass Clarinet and orchestra. Score. Scope & Content: Score and solo bass clarinet part; 1993. Collection Area: Music Collections Languages: English Date Range: 1993 Extent: 1 volume