Music manuscripts and papers of the composer and teacher, Gilmor Griffiths.

Outlines of lectures and notes on traditional Welsh tunes and their characteristics, often relating to specific examples.

The music book of Mary Clara Lucena, dated August 1812 (inside front cover), containing popular waltzes and duets of the early nineteenth century, together with a few Welsh traditional tunes.

A volume of William Williams, Bedol, Llanbedr, 1845, containing over thirty airs, nearly all Welsh. There is an incomplete list of contents at the beginning of the volume. Most of the airs are those commonly found in published collections but they also include the following: 'Posal Cwrw', 'Ffarwel Twm bach or Coety', 'Llyweni Fforest' and 'Nancy's Fancy'.

A collection of Welsh folk-tunes inscribed 'Thomas Williams from Ellis Jones, May 1879'.

Llungopïau o nodiadau ymchwil y Dr Meredydd Evans ar bapurau'r Dr J. Lloyd Williams (1854-1945), botanegydd a cherddor. Seiliwyd y nodiadau ar eitemau 1-145 yn y rhestr a baratowyd, [1949], o'r llawysgrifau a phapurau a dderbyniwyd gan Llyfrgell Genedlaethol Cymru yn fuan ar ôl marw J. Lloyd Williams yn 1945. Disodlwyd y rhestr hon bellach gan Dr J. Lloyd Williams Music MSS and Papers, 2004, sydd yn cynnwys y papurau a dderbyniwyd yn 1945/6 a hefyd ychwanegiadau diweddarach.

Two sets of cyclostyled papers, 1919-1925, containing copies of Welsh folk-tunes, with commentaries, to which some notes have been added in pencil and red ink, possibly by Mary Davies (1855-1930) (f. 6). These papers may have been circulated by J. Lloyd Williams (1854-1945) to members of the Welsh Folk Song Society for comments prior to publication in the Society's Journal. The tunes were published in the Welsh Folk Song Society Journal, vols. 1-2 (1909-1925).

A copy of Maria Jane Williams, Aberpergwm : Ancient National Airs of Gwent and Morganwg ... (Llandovery, 1844), with additional notes and corrections in the autograph of the author, and four letters, 1843, to her from John Jones (Tegid) and Taliesin Williams (Ab Iolo).

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.

Diaries relating to J. Lloyd Williams's personal life, his interest in Welsh music in general, and his own compositions. Entries reflecting his interest in the field of Welsh folk singing are prominent throughout the group.

Ink score of arrangements of 'Dacw 'nghariad i', 'Ym Mhontypridd mae nghariad' a 'Ffarwel i blwy' Llangower'.

Incomplete outlines of four series of lectures delivered by J. Lloyd Williams to classes at Aberystwyth, 1929, Bala, 1928-1929, Blaenau Ffestiniog, 1927-1928, and Trawsfynydd, 1928-1929. The topics include the history of Welsh music, congregational singing and folk singing. Two short essays by a member of the Trawsfynydd class, 1927, relating to the gypsies of Llangwm, are also included.

Lecture notes relating to Welsh folk songs and folk tunes, including two series delivered at Bangor, 1934 and 1935, Coedpoeth, 1937, Llangefni, 1940, and a lecture entitled 'Neilltuolion Alawon Gwerin Cymru', undated but apparently delivered at Cardiff.

Manuscript scores of orchestral arrangements by Mansel Thomas of Welsh folk songs.

Two tune books, written at the beginning of the nineteenth century, now bound as one volume. The first part (ff. 1-23 recto) contains hymn-tunes and Welsh traditional tunes, including 'Can y Proffwyd Davydd' ('cafwyd y Don ar geiriau oddiwrth y Doctor Pugh', f. 16 verso). The second part of the manuscript (ff. 23 verso-45) contains Welsh and English traditional tunes and marches.

Welsh airs and folk-tunes transcribed by Nicholas Bennet.