A volume containing hymn-tunes and folk-tunes together with an index to the tunes, written in a mid-nineteenth century hand (ff. 73-209), bound together with a copy of William Owen, Prysgol, Y Perl Cerddorol... (Caernarfon, 1852) (ff. 7-72). A note in pencil on f. 1, probably in the hand of Philip Thomas, suggesting 'Shenkin Dounie, Harpist, Neath' to have been the scribe is probably an error for John Dounie [Downey], harpist, the Mera, Neath (see E. E. Williams, 'The queen of the Mera', Neath Antiquarian Society Transactions (1979), 6-7). Also included is a printed advertisement for John Ambrose Lloyd, Casgliad o Donau... (1843) (f. 210).

A collection, [c. 1869]-1936, by Philip Thomas, of miscellaneous hymns and folk-songs in Welsh, including hymn-tunes by Thomas Hopkin Evans, Liverpool (f. 3), John Hughes, Dolgellau (ff. 4-5) and John Nicholas, Port Talbot (ff. 7 verso-8); hymn-tunes from printed detholiadau (ff. 13, 15-28); and copies of tunes for inclusion in The Journal of the Welsh Folk-Song Society, 3 (1936). Also included are facsimile copies of pages from Robert ap Huw's music manuscript (BL Addl. MS 14907) (ff. 64-71).

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.

A volume containing copies in the hand of Philip Thomas of hymn-tunes by David Emlyn Evans, John Evans, Cynogfab, Horatio Richard Palmer, Joseph Parry (2), John Thomas Rees, and Arthur Sullivan.