The StarrBoard
The StarrBoard is a chromatic matrix of strings and frets, whose
string spacing is such that thirteen strings spans the same distance as
an octave on a standard keyboard. The StarrBoard pictured has frets
spaced for 12 tone equal temperament, but the frets may of course be
placed according to any tuning scheme.
By tuning the strings to a particular non 12tet scheme, say a just scale
of ratios
1/1 16/15 9/8 6/5 5/4 4/3 64/45 3/2 8/5 5/3 16/9 15/8 2/1
the StarrBoard can play justly in 12 equally spaced key centers, as
modulation is easily accomplished by playing within higher or lower fret
areas.
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