Celtic Music

Celtic music is the umbrella name for the traditional music of the Celtic-language regions of Europe — above all Ireland and Scotland, but also Brittany, Wales, Cornwall, the Isle of Man and Galicia and Asturias in northern Spain — together with the diaspora traditions of Cape Breton, Newfoundland and Appalachia and the modern music built on them. Its core is a living repertoire of dance tunes (reels, jigs, hornpipes and strathspeys), slow airs and songs, played on fiddle, pipes, flute, whistle, harp and accordion.

This guide explains what the label covers and why it is contested, the history from harpers to the 1960s–70s revival, how the dance rhythms work, the instruments, the subgenres from Celtic rock to Celtic new age, and the artists to start with. To see how a jig or a pipe tune reads to a classifier, try a clip in our free AI music genre detector.

"Celtic music" is less a single genre than a family name. In practice it means three things at once. First, the traditional music of each Celtic nation — Irish traditional music (often just "trad"), Scottish traditional music, Breton music and so on — each with its own repertoire, dance forms and instruments. Second, the shared features that make these traditions sound related: modal melodies, a melody-led texture with little harmony, ornamented playing, and dance tunes in a small number of rhythmic types. Third, a modern market category, created largely from the 1970s onward, that also includes fusions with rock, punk, pop and ambient music.

Many musicians are wary of the label. Irish and Scottish players usually describe what they play as Irish or Scottish music, and scholars point out that there is no single historical "Celtic" musical culture — the connections between Ireland and Brittany owe as much to modern festivals and recordings as to ancient roots. Still, the term is useful as a shelf: it groups music with a common vocabulary and a shared revival history, and it is how festivals such as the Festival Interceltique de Lorient in Brittany (founded in 1971) and Glasgow's Celtic Connections describe themselves.

Celtic music is a branch of the wider world of folk music, and it has had enormous influence elsewhere: the fiddle traditions carried by Scots-Irish settlers fed old-time music and, through it, bluegrass and country.

Harpers and the oral tradition. The wire-strung harp was the prestige instrument of Gaelic Ireland and Scotland for centuries. Its last great figure, the blind Irish harper Turlough O'Carolan (1670–1738), left more than two hundred tunes that blend Gaelic airs with the Italian Baroque style of his day, and they are still central to the repertoire. The Belfast Harp Festival of 1792, where the young Edward Bunting transcribed the playing of the last traditional harpers, is a landmark in the preservation of the music.

Dance music and collectors. In the 18th and 19th centuries the dance-tune repertoire grew enormously as the fiddle, the pipes and later the flute and accordion became the instruments of house dances, crossroads dances and ceilidhs. Collectors printed thousands of tunes; in the early 20th century Francis O'Neill, a Chicago police chief born in County Cork, published large collections of Irish dance music that are still used. In Scotland, the Highland bagpipe developed its own classical form, ceòl mòr or pibroch, alongside the lighter marches, strathspeys and reels.

Emigration and recording. Irish and Scottish emigrants carried the music across the Atlantic. In 1920s New York, the Sligo fiddler Michael Coleman made recordings whose ornamented, flowing style influenced players back in Ireland for decades. Scottish emigrants to Cape Breton Island in Nova Scotia preserved a fiddle style that later travelled back to Scotland.

The revival. In the 1960s the composer Seán Ó Riada reimagined traditional music for an ensemble, Ceoltóirí Chualann, out of which grew The Chieftains, led by piper Paddy Moloney. At the same time the ballad boom made stars of The Clancy Brothers and Tommy Makem and The Dubliners. The 1970s brought a new generation of bands that combined virtuoso tune-playing with song and new instrumentation: Planxty (formed 1972, with Christy Moore, Andy Irvine, Dónal Lunny and Liam O'Flynn), The Bothy Band, De Dannan and Clannad in Ireland; the Battlefield Band, Silly Wizard and The Boys of the Lough in Scotland; and in Brittany the harpist Alan Stivell, whose 1971 album Renaissance of the Celtic Harp helped launch a Breton revival and popularised the very idea of a pan-Celtic music.

Crossover. In the 1980s and 1990s Celtic music became a global commercial category. Clannad's "Theme from Harry's Game" (1982) and Enya's Watermark (1988) created an atmospheric, multi-tracked "Celtic" sound; The Pogues fused Irish tunes with punk; Scottish bands such as Runrig and Capercaillie sang in Gaelic over rock and pop arrangements; and Riverdance, first performed as the interval act of the 1994 Eurovision Song Contest in Dublin with music by Bill Whelan, became a worldwide stage show.

Most Celtic instrumental music consists of short dance tunes, usually in two eight-bar parts, each played twice (AABB), with the whole tune repeated several times and then joined to two or three others in a set. The music is melody-led: in a traditional session everyone plays the same tune in unison, decorating it with their own ornaments, while guitar or bouzouki adds a simple, often drone-like accompaniment.

• Modes: major (Ionian), Mixolydian, Dorian and Aeolian modes dominate; many tunes sit in D and G, the keys of the whistle and pipes.
• Ornamentation: cuts, taps, rolls and cranns on flute and pipes, triplets on the fiddle, grace notes on the bagpipe. Ornament, not vibrato, is the expressive language.
• Drones: the bagpipe and uilleann pipe drones, and the open-string drones of the fiddle, give much of the music a fixed tonal floor.
• Song: unaccompanied traditional singing — Irish sean-nós ("old style"), Scottish Gaelic waulking songs and puirt à beul (mouth music), Breton kan ha diskan call-and-response — is the other half of the tradition.

• Fiddle — the standard violin, played with regional bowing styles (Donegal, Sligo, Shetland, Cape Breton).
• Uilleann pipes — the Irish bellows-blown bagpipe with a two-octave chanter, drones and keyed regulators that can play chords.
• Great Highland bagpipe — the loud outdoor pipe of Scotland and the pipe band; Scottish smallpipes are a quieter indoor relative.
• Tin whistle and wooden flute — the simple-system flute is a staple of Irish music.
• Button accordion and concertina — the B/C button box and the Anglo concertina in Ireland, piano accordion in Scottish dance bands.
• Harp — the Celtic or lever harp, revived in Ireland, Scotland, Wales (with the triple harp) and Brittany.
• Bodhrán — the Irish frame drum, played with a double-ended stick.
• Bouzouki and guitar — the Greek bouzouki was adapted to Irish music in the late 1960s and early 1970s; the guitar is often tuned DADGAD for a modal, droning accompaniment.
• Bombarde and biniou — the shawm and small bagpipe that play in pairs in Breton music; the gaita is the bagpipe of Galicia and Asturias.

The modern Celtic shelf includes several distinct styles:

• The Chieftains — the ambassadors of Irish music for half a century, from their 1960s instrumental albums to collaborations across rock and country.
• Planxty — their early-1970s albums reinvented the Irish band sound with bouzouki, uilleann pipes and Christy Moore's singing.
• The Bothy Band — fast, intense ensemble playing that set the standard for the trad band.
• Clannad — Gaelic harmonies from Donegal; "Theme from Harry's Game" (1982) defined the atmospheric Celtic sound.
• Enya — former Clannad member whose Watermark (1988), with "Orinoco Flow", became a global best-seller.
• Alan Stivell — the Breton harpist who made the idea of pan-Celtic music popular.
• The Pogues — Shane MacGowan's band; "Fairytale of New York" (1987) with Kirsty MacColl is a perennial Christmas song.
• Capercaillie and Runrig — Scottish bands who brought Gaelic song into rock and pop.
• Natalie MacMaster and Ashley MacIsaac — Cape Breton fiddlers who took the island's style to international audiences.
• Carlos Núñez — the Galician gaita player who built bridges between Spanish and Irish traditions.

Celtic vs folk. Celtic music is part of folk in the broad sense, but when English-speaking listeners say "folk" they often mean the singer-songwriter tradition of guitar and voice. Celtic music is above all instrumental dance music, led by melody instruments, with ornament and rhythm more important than lyrics.

Celtic vs bluegrass. Bluegrass shares fiddle tunes, breakdowns and modal melodies with its Scots-Irish ancestors, but it adds banjo rolls, the off-beat mandolin chop, high-lonesome vocal harmony and improvised solos passed around the band. A Celtic session plays in unison.

Celtic vs folk metal. Folk metal bands — especially Celtic metal acts such as Eluveitie — use tin whistle, bagpipes and jig rhythms, but over distorted guitars, double-kick drumming and often harsh vocals. The tunes may be Celtic; the sound is metal.

Celtic vs new age. The Enya and Loreena McKennitt strand overlaps heavily with new age: reverb, synth pads and layered voices with only a hint of traditional melody. That sound is what many people mean by "Celtic music", even though traditional musicians would not.

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