The collection contains music manuscripts, photographs, slides, lecture scripts, diaries, music arrangements (mostly for the Irish harp), research notes, ephemera, artefacts, and commercial & non-commercial sound recordings. A large number of books also form part of this collection.
Collection comprises live recordings on compact disc of traditional music performances in Sydney, Australia as part of the Guinness Tour in 1987. Performers include Christy Moore, Liam O'Flynn and Arty McGlynn.
Collection comprises audio and video recordings on reel-to-reel tape, vinyl, VHS and Betacam SP. The video tapes are all relating to the opening of the Chief O'Neill Hotel in Smithfield in 1999 and the exhibition space within the hotel dedicated to its namesake, the musician and collector, Francis O'Neill who was also the Chief of Police for the city of Chicago. The non-commercial recordings feature a lecture on pipe music by Breandán Breathnach and radio dubs Breathnach being interview by Paddy Glackin.
Collection of off-air radio dubs recorded onto reel-to-reel tapes and audio cassettes by Tom Logan. Recordings, often featuring St Brendan's Céilí Band, include RTÉ radio programs such as Céilí House, and programmes from Tipperary's Suirland Radio. Speech by Tom Logan about the recordings also features on some of the tapes.
Collection of two audio recordings made by Jim Hunter in Perthshire, Scotland. The recordings feature fiddle player Alex Young playing a variety of dance tunes.
Collection of reel-to-reel tapes and audio cassettes featuring musical performances by Joe Keagan, Mick Woods and Tom Ginley, among others, various radio dubs including the RTÉ's Ceilí Hous Programme and a recording of a session at The Plough in London.