Assertion: clarinet's range | /r/CapableOf | remark by praetorius
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Source sentences:
text: Ganassi gives fingering tables for a range of an octave and a seventh, the standard range also remarked by Praetorius, then tells the reader that he has discovered, through long experimentation, more notes not known to other players due to their lack of perseverance, extending the range to two octaves and a sixth.