The GM-6 is designed for guitarists and is tuned one octave higher than a regular guitar. It can provide the chop rhythm for bluegrass or country music without learning mandolin. A competitor offers a similar mando-guitar selling for over $2,000 and has a flat and more narrow fingerboard. The radiused fingerboard and wider neck allows for easier fingering. String action is super low and lead lines may be played very rapidly. This is a must instrument for guitarists in bluegrass jams and lends itself well in recording applications.  It plays an octave above guitar.