Bach could compose pieces which contained simultaneously inversion,retrograde and retrograde inversion statements of the same melodic line,and Leonardo da Vince was able with either hand,to write back to front,upside-down and in mirror image….
Bach could compose pieces which contained simultaneously inversion,retrograde and retrograde inversion statements of the same melodic line,and Leonardo da Vince was able with either hand,to write back to front,upside-down and in mirror image….
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