To capture voices from a dx7,
# record system exclusive, make sure dx7 has SYS INFO AVAIL mode set
% mpurecord -x > file
# strip off extra crud, give file .dxv1 suffix
% mpuvload > file.dxv1
# to print out a listing of the voice,
% vprint file.dxv1
# or
% mpuda file.dxv1 | more
