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
Virtuoso Violin Virtuoso Violin Virtuoso Violin is a violin-playing machine, invented by Fred Paroutaud for QRS Music Technologies, the same company that produced the first MIDI-compatible player piano. It was first unveiled February 13, 1998. The Virtuoso uses an electromagnet instead of fingering the strings. The electromagnet's position changes the behavior of the vibrating string to attain the desired pitch. The Virtuoso is designed to play a real violin, although its setup requires the strings to be restrung and the bridge to be removed and replaced with a mechanical bridge which controls the string oscillation and bow movement. The Virtuoso Violin is