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
101 Strings Orchestra" began releasing a series of CDs (including a two-volume Beatles set). 101 Strings compilations were reissued on CD during the "lounge revival" of the 1990s. Few 101 Strings LPs have been re-released in their original form. If one goes to the Madacy site to view their 101 Strings collection, exactly the same description that was used on the Bel Canto's ST- 76 two track stereo release about the 101 Strings sound is reprinted. The 50 Hz hum heard on many of those tape recordings was due to the Ampex 350's filtering which was not well suited for European 50