@3f3ce2f5 - So far I've been scared of that septimal stuff.   I try to understand things really systematically, and I think there's a lot left for me to understand about 3-limit and 5-limit tuning.   But someday.... 

 @b4c50e1b @3f3ce2f5 https://www.huygens-fokker.org/instruments/fokkerorgan.html

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