Open G tuning d g b d'>2. </score> is used by the Russian guitar, which has seven strings tuned mostly in triads, in contrast to other guitars, which are tuned mostly in fourths. Dobros use a full six-string tuning with a bottom G: G-B-D-G-B-D, low to high. The two lowest strings are, accordingly, tuned three semitones higher for the lowest string (from E up to G) and two semitones higher for the second-lowest string (from A up to B) while the highest string is tuned two semitones lower (from E down to D), relative to standard tuning. The 5-String Banjo's standard tuning is
New standard tuning Fripp suggested that Guitar Circle members experiment with an A String (0.007) from Octave4Plus of Gary Goodman; if successful, the experiment could lead to "the NST 1.2", C2G2D3A3E4-A4, according to Fripp. In 2010, Fripp suggested renaming the tuning as "Guitar Craft Standard Tuning or C Pentatonic tuning". The lowest five strings are tuned in perfect fifths from a low C. The first string is a minor third up from the E to a G. Since the lowest five strings are tuned in fifths, guitars with NST can be played with the fingerings for chords and scales used on the violin,