The fonds comprises material dating between 1963 and 2001, consisting mainly of correspondence, [c.1970]-2001, between the Federation and various musical societies on matters of financial aid and membership fees, providing a valuable overview of a wide range of musical activities throughout Wales. It also contains correspondence with other arts organisations and bodies, both national and regional, copies of rules, constitutions and accounts of the various constituent societies as well as programmes, leaflets, posters and other printed ephemera, covering the period from 1963 to 2001. Several files contain papers relating specifically to the Federation's internal committees. Only one file relates to the Federation's own administration.

The series comprises press cuttings, 1952-1994, relating to the arts in Wales, and in particular to the theatre.

The series comprises typescripts of radio lecture-recitals and talks by W. S. Gwynn Williams, entitled 'The Spirit of Welsh Music', 1925 and 1927, 'Nationality in Music', 1927, 'The Making of Music', 1927, 'The Music of Wales and the Eisteddfod', 1929, and a few related typescript programmes. Some of these were broadcast during the period he was in charge of Welsh programmes from the Irish stations at Dublin and Cork, 1928-1930.

One of four volumes containing press cuttings of articles on 'Music in Wales' contributed by D. Emlyn Evans to the South Wales Weekly News from 1899 to 1912.

Press cuttings of musical interest: Cardiff Times Commemoration Hymn Tune Prize, 1878, the winning composition by James Peters ('Alaw Afan'); biographical sketches of Frederick Corder, E[dmund] H[art] Turpin, C[harles] Villiers Stanford, Sir G[eorge] A[lexander] Macfarren and Sir Arthur Sullivan; 'A Derbyshire Labourer's View of Disestablishment and Disendowment'; a facsimile of a letter by George Frideric Handel, June 1730; and Welsh music notes.

One of four volumes of press cuttings of articles on 'Music in Wales' contributed by D. Emlyn Evans to the South Wales Weekly News from 1899 to 1912.

One of four volumes containing press cuttings of articles on 'Music in Wales' contributed by D. Emlyn Evans to the South Wales Weekly News from 1899 to 1912.

One of four volumes containing press cuttings of articles on 'Music in Wales' contributed by D. Emlyn Evans to the South Wales Weekly News from 1899 to 1912.

A musical score, 'Castell Dolbadarn' by John Metcalf, a work inspired by Turner's painting. Presented as part of the celebrations of opening Drwm, the new cultural centre at the National Library of Wales, June 2004.

Papers, 1922-1940, reflecting Wyn Griffith's interest in early Welsh and English music, comprising research material, articles and press cuttings, mainly relating to Arnold Dolmetsch and the manuscript of Robert ap Huw (BM Add MS 14095).

Music manuscripts accumulated by J. Lloyd Williams, [1750x1945]; works by J. Lloyd Williams, [1890]-[1940]; material relating to the history and criticism of Welsh music, 1891-[1945]; and correspondence, 1899-1945.

The group comprises records of the Music Department relating to various musical activities, events and societies, [1964]-1995.

Notes relating to Welsh music, and copies, mainly by John Jenkins, of official papers and letters relating to British naval affairs in the West Indies.

Miscellanea mainly in the hands of John Jenkins and Walter Davies and relating to the history, literature, ecclesiastical affairs, and music of Wales; a document relating to the collation of Richard Humffreys to the living of Aberhavesp, February 21, 1628 9; a fragment in the hand of Edward Lhuyd; a letter from Maudline Nanne to Robert Vaughan, May 24, 1636; etc.

Letters addressed to David Lewis, mainly on matters relating to Welsh music, 'eisteddfodau' and the bibliography and biography of music. The correspondents are Charles Ashton, 1892, D. Baptie, Glasgow, 1893, C. E. Couling, China, 1904, David Davies, Harlech, 1893, D. E. Davies, engraver, Aberystwyth, 1871, J[ohn] Davies, Llanynys, 1884, M. Davies, Goitre, 1857, Owen [Humphrey] Davies ('Eos Llechid'), 1898, Thomas Davies, Glandwr, 1897, and W[illiam] Davies, Treorci, 1887.

Letters addressed to David Lewis, mainly on matters relating to Welsh music, 'eisteddfodau' and the bibliography and biography of music. The correspondents are Thomas Laurie, Ystrad Meurig, 1875, Thomas Levi, Morriston, 1866-1869, David Lewis (drafts and copies), H[owell] Elvet Lewis, 1874-1875, Daniel [Lewis] Lloyd, Bishop of Bangor, 1897, Thomas Lloyd, New York, 1865, Griffith Morgan, Llanberis and Llandinorwic, 1866-1871, D. J. Nicholas ('Ifor Elwy'), 1864, David O'Brien Owen, 1902, John Owen ('Owain Alaw'), 1860-1867, D. Wylor Owen, Llangurig, 1882-1883, Henry Parr, Oxford, 1875-1893, D. C. Powell, 1866, R. Price, Caernarfon, 1889, Thomas Price, Crickhowell, 1883, Thomas Price, St Harmon, 1900, and Tom Price, Merthyr Tydfil, 1891.

Letters addressed to David Lewis, mainly on matters relating to Welsh music, 'eisteddfodau' and the bibliography and biography of music. The correspondents are Anne Edwards, Aberystwyth, 1903, Creigvryn Edwards, Ruabon, 1887, Peter Edwards ('Pedr Alaw'), 1893, Principal Thomas Charles Edwards, 1889, Dr William Edwards, Cardiff, 1903, William Ellis, Llanrwst, Abergele, Conway and St Asaph, 1869-1893, A. I. Evans, Haverfordwest, D[aniel] Silvan Evans, Llanwrin, 1875-1881, David Evans, London and Warrnambool, 1864-1898, Archdeacon David Evans, Llandudno, 1903-1906, D[avid] Emlyn Evans, 1867-1904, Samuel Evans, Carmarthen ['Gomerydd'], 1852, William Evans ('Alaw Afan'), 1883, and W[illiam] M[organ] Evans, Carmarthen, 1868.

Letters addressed to David Lewis, mainly on matters relating to Welsh music, 'eisteddfodau' and the bibliography and biography of music. The correspondents are Messrs Hughes & Son, Wrexham, 1872, Charles and Eleanor James, Tregaron, 1893-1904, J[ames] Spinther James, 1876-1905, David Jenkins, Aberystwyth, 1876-1912, J[abez] Edmund Jenkins ('Creidiol'), 1899, William Jenkins, Treorci, 1887, D. Jones, Swyddffynnon, 1901, David Jones, Aberystwyth, 1868, D[avid] R[obert] Jones ('Alaw Madog'), 1880, J[oseph] D[avid] Jones, Ruthin, 1866, J[ohn] Emlyn Jones ['Ioan Emlyn'], Merthyr Tydfil, 1865, Lewis Jones, Treherbert, 1871-1872 (with a letter to him by R[ichard] Mills), M[oses] O[wen] Jones, Treherbert, 1886, R. Jones, Porthmadog, 1898-1899, R[obert] Meigant Jones, 1890-1897, Thomas Jones, Llanengan, 1866, and T[homas] Jones ('Canrhawdfardd'), 1887.

Letters addressed to David Lewis, mainly on matters relating to Welsh music, 'eisteddfodau' and the bibliography and biography of music. The correspondents are B[enjamin] Rees, St Dogmaels, 1901-1905, Christopher Rees, Treforest, 1887, J[onathan] Machreth Rees, London, 1900-1901, W[illiam] T[homas] Rees ('Alaw Ddu'), Pontypridd, Newport, and Llanelli, 1866-1872, [Sir] John Rhys, 1883, J[ohn] Prydderch Williams ('Rhydderch o Fôn'), 1866-1867, W[illiam] L[ewis][Jones] Richards, Penstrowed, 1897, David Roberts ('Dewi Mawrth'), 1894, Edward Roberts, Pontypridd, 1872-1874, Ellis Roberts, Llangwm ['Elis Wyn o Wyrfai'], 1893-1898, G. Roberts, Mallwyd, 1887, John H[enry] Roberts, Mus. Bac., Liverpool ['Pencerdd Gwynedd'], 1906, John Roberts, Rhostryfan, 1893, John Roberts ('Ieuan Gwyllt'), 1851-1870, W. H. Roberts, Seacombe and Bromborough, 1876-1887, William Roberts ('Nefydd'), 1852, and Edward Rowland ('Eos Maelor'), 1873.

Letters addressed to David Lewis, mainly on matters relating to Welsh music, 'eisteddfodau' and the bibliography and biography of music. The correspondents are Henry Frowde, London, 1908, Thomas Gee, 1875-1887, David Griffiths ('Clwydfardd'), 1887, W[illiam] Griffiths ('Ifander'), 1880, W[illiam] Harris, Aberdare, 1885, W[illiam] Harries, Cefncoed, 1895, D. Eiddil Jones, Cefncoed, 1896-1897, and John Ceiriog Hughes ['Ceiriog'], 1861-1864.