Material relating to Cyfansoddwyr Cymru/Composers of Wales, of which Jen Wilson was a member, including newsletters and reports; 2006 Vale of Glamorgan Festival of Music programme; details of seminar; and correspondence.

Music manuscripts of the composer Mervyn Burtch. Original opus numbering (where known) is given in square brackets, e.g. [M.103] at the end of each file level description.

The music manuscripts of the composer David Harries, 1952-1995, comprising mainly drafts and scores of chamber and instrumental music, orchestral music, choral and organ, and voice and piano arrangements.
A second donation made in August 2021 contains further music manuscripts of David Harries, 1953-1993, and includes works by Harries' contemporary William Mathias (1934-1992) in addition to Harries' own compositions of chamber and instrumental music, orchestral music, choral and organ, and voice and piano arrangements.

File comprises research notes on the composer Daniel Jones for a HTV documentary, along with letters from Daniel Jones to Patrick Hannan.

The file comprises press cuttings relating to performances of the works of the composer, Alun Hoddinott, together with an article on his larger works.