Two card indexes. The first and longer sequence is arranged alphabetically by title of songs/airs with detailed references to printed collections such as the works of John Parry, Edward Jones and Nicholas Bennett, and some manuscript collections such as Ifor Ceri's 'Melus Seiniau'. The sol-fa notation of first lines is often included. The second sequence, again in alphabetical order by title, includes references to various sources in which the songs or airs are named, including J. H. Davies's 'Bibliography of Cerddi' and Bangor Library holdings.
Scripts of broadcasts, 1941, by J. Lloyd Williams on musical topics, some including related contracts and correspondence. The titles include 'Caneuon Gwerin: Cyngerdd'; a series entitled 'Music of Britain: Wales', including 'The Origin of the Welsh Folk Song Movement'; 'Welsh Chords' (contract only); 'Canu'r Eisteddfod' (contract only); 'The Music of the National Eisteddfod during the last 40 years' / 'Cerddoriaeth yr Eisteddfod Genedlaethol yn ystod y Deugain Mlynedd Diwethaf'; 'Hela Alawon' and 'Hela Hen Ganeuon'. A radio script, dated 11 March 1938, of a discussion between E. Morgan Humphreys and J. Lloyd Williams on Welsh folk songs is also included, together with a typescript copy of a list of suggestions for broadcasts.
Numerous collections of folk songs and hymn tunes accumulated by J. Lloyd Williams before and during his period as Editor of the Journal of the Welsh Folk-Song Society, including material which he himself had recorded and items submitted to him by others. Indexes, lists, related notes and press cuttings are also included.
Mainly folk songs and a few press cuttings. A number of songs were recorded by J. Lloyd Williams from the singing of family members and some items are transcripts from Mrs Grace Gwyneddon Davies's manuscripts. Provenance notes are included.
Correspondence relating to folk songs in general and individually, and to the work of the Welsh Folk-Song Society, consisting of letters to J. Lloyd Williams mainly in his role as editor of the Society's Journal. Letters addressed to other members of the Society, which had been forwarded to J. Lloyd Williams, are also included. Songs are often enclosed with letters.
Printed, manuscript and cyclostyled copies of folk songs, some being arrangements for choirs and published by the Welsh Folk-Song Society. Only a few items contain information relating to provenance.
Folk songs, stanzas and melodies, a few carols, hymn-tunes and lists of tunes and miscellaneous notes, from various manuscript, printed and oral sources.
A few fragments and transcripts of diaries, 1880-1934. Some contain additional data to that found in the rest of the series and the transcripts may have been used during the compilation of J. Lloyd Williams's memoirs.
Correspondence, 1899-1945, reflecting the various aspects of J. Lloyd Williams's interest in the music of Wales. Amongst the topics discussed are singing festivals, lectures, concerts, broadcasting and the publication and performance of his own works. Some letters also include references to Y Cerddor, and to the work of the Welsh Folk-Song Society.
The correspondents include John Griffith (1), E. J. Grutchfield (3), W. H. Hadow (2), Hughes & Son (6), John Hughes, Treorchy and Dolgellau (3), and D. A. Jones (2).
Adjudication notes and extracts from essays entitled 'Hanes Cerddorion a Cherddoriaeth Deheudir Cymru o 1700 hyd 1928', entered for competition at Llanelli Eisteddfod, 1930, and again at Aberafan/Port Talbot Eisteddfod, 1932; together with notes and extracts from another essay, entitled 'Hanes Cerddoriaeth Gogledd Cymru o'r Flwyddyn 1700 hyd ddiwedd 1928', entered at Caernarfon Eisteddfod, 1931. The adjudications were published in Y Cerddor, October 1930, November 1931 and January 1933.
Papers relating to J. Lloyd Williams's proposed publication on the history of Welsh music and his published work entitled Y Tri Thelynor; together with papers reflecting his role as lecturer, broadcaster, adjudicator and editor.
Lectures, outlines of lectures and miscellaneous notes relating mainly to the history of Welsh music, apparently delivered between 1919 and 1928; together with a synopsis of an address delivered at Denbigh Eisteddfod, [1939], and outlines of lectures for the Summer School at Denbigh, 1944.