Irish bouzouki Johnny Moynihan (apparently in an attempt to replicate the open, droning sound of Appalachian "clawhammer" banjo) first on the mandolin and then transferred to a Greek bouzouki. It was later picked up by Andy Irvine and Dónal Lunny, and quickly became the next thing to a standard tuning for the 4 course instrument. Other tunings used, although by a minority of players, are "octave mandolin" tuning G2 D3 A3 E4, and "Open D" tuning A2 D3 A3 D4. "Open G" G2 D3 G3 D4, is used by some players and has proven useful for "bottleneck" slide playing. The GDAD tuning
Irish bouzouki A year or so later, Lunny accompanied Irvine to Peter Abnett's workshop and commissioned a flat-backed instrument with the same specifications as the modified Greek Bouzouki, thus the Irish bouzouki was born. This modified bouzouki became fully integrated into Irish folk music when Irvine and Lunny popularized it with the advent of Planxty in 1972. Irvine, however, credits Moynihan with having "brought the bouzouki to Ireland" in his lyric to "O'Donoghue's", his memoir of his experience of the early folk revival days in Dublin in the early 60s. In a parallel development, Alec Finn, later with the Galway-based traditional group