I just finished another piece for guitar solo, and found this instruments able to play rather complex structure when its strings are arranged manually. I cannot play this instrument, what I did is just to keep the position of the left hand in a small range. Is this right?
Also, I still have some questions about the string arrangement on a very fast part. For example, in bars 152-170 in this piece, is using different strings alternately helpful/necessary to maintain the speed?