Notes Here “B”(Blank) means B chord of MAIN or REFERENCE octave, “+B” means B chord of NEXT octave, and “-B” means B chord of PREVIOUS octave. style="display:block" data-ad-client="ca-pub-9982133321186281" data-ad-slot="6754670374"...
Notes Here “B”(Blank) means B chord of MAIN or REFERENCE octave, “+B” means B chord of NEXT octave, and “-B” means B chord of PREVIOUS octave. style="display:block" data-ad-client="ca-pub-9982133321186281" data-ad-slot="6754670374"...
