Papers of the composer and musician Prof. David Evans, [1880 x 1948], comprising full and fragment scores of choral music, including orchestral and vocal scores, cantatas, anthems, hymn tunes, carols and other sacred music, arrangements of welsh airs, miscellaneous compositions, compositions by other composers, together with miscellaneous material.

Manuscript oratorios, operas, orchestral pieces, choruses, melodies and other musical compositions (including the four Welsh Airs arranged for choir and full orchestra premiered at the Crystal Palace, 1896); an autographed notebook containing solfa versions of Welsh melodies arranged for male voices, 1915; correspondence, 1934-1935, relating to the proposed publication of a memorial volume to Jenkins by nine of his contemporaries ('Er Cof am yr Athro David Jenkins Gan Naw o'i Gyfoedion'); music exercise books, 1877-1881, and a volume containing blacksmith's accounts, Trecastell, and particulars of payments to preachers, 1796-1810.

Holograph manuscript music for Welsh and English vocal works, [?1950s]-1964; songs, 1918-[?1963]; orchestral works, 1939-[c. 1943]; works for wind and strings, [1930s]-1962; works for strings, including quartets, [?1920s]-[?1946]; pianoforte quintets, quartets and trios, [1920s]-1944; works for violin and pianoforte, 1920-1949; and miscellaneous works, [c. 1920]-1958.

Notebook, music book; anthems, hymn-tunes and marches; miscellaneous songs (solos and four parts); miscellaneous music; published compositions and scrapbook of Evan Morgan ('Alaw Tydfil'), Merthyr Tydfil, mainly containing copies of hymn-tunes by various composers.

The music manuscripts, 1927-1986, of Mansel Thomas, comprising music for male voice choirs, mixed choirs, youth and female voices, solo songs, and instrumental compositions. They consist mainly of Christmas music, hymn-tunes, liturgical music, arrangements of Welsh traditional melodies, secular music and solo songs, the majority of which have been published by the Mansel Thomas Trust and the Cwmni Cyhoeddi Gwynn Publishing Company. Some manuscripts are in the hand of copyists and may contain later notes and additions.

Manuscripts, mainly [19 cent., second ½]-1933, of the work of Welsh composers, mostly autograph, comprising holographs, copies and drafts of scores and sets of orchestral parts and also lyrics, including works by John Thomas (Pencerdd Gwalia), Dr Joseph Parry, David Jenkins, W. T. David and others. The collection also includes part of a Mass and a Te Deum by Giovanni Bononcini, 1747.