Found 6 chord chart(s) for 6640x7 in Standard Tuning (E, A, D, G, B, E).
ChartInversionPositionAvg PitchOpennessDifficulty
6640x7no
x(13)(13)00(14)no
x(13)(13)0(12)(14)no
x(13)(13)(12)0(14)no
x(13)(13)(12)(12)(14)no
(18)(18)(16)00xno