Irish bouzouki Dónal Lunny, who replaced the octave strings on the two lower G and D courses with unison strings, thus reinforcing their lower frequencies. Soon after, on a visit with Irvine to the workshop of luthier Peter Abnett, Lunny commissioned a bouzouki to the specifications of a classic, 4-course Greek bouzouki but with unison strings and a three-piece, partially staved back. Since then, the instrument has been adapted for Irish traditional and other styles of folk music. The original Greek bouzouki was a three course/six-string instrument ("trichordo"). In the 1950s, a four course/eight-string ("tetrachordo") version was developed. The newer "tetrachordo" bouzouki
Irish bouzouki Sweden, Jamie McMenemy of the Breton group Kornog, Elias Garcia of the Asturian groups Tuenda and Llan de Cubel, and Ruben Bada of the Asturian group DRD, typify the complex admixture of melody and chordal accompaniment to be found amongst skilled continental players. It has also become fashionable for some of these musicians to mix instrumental pieces from the Balkans into their material, creating the novelty of western European instruments playing music typically played by Bulgarian/Macedonian tamburas or Greek bouzoukis in their native setting. By far the most common tuning for the Irish bouzouki is G2D3A3D4. This was pioneered by