BW77 Posted December 19, 2016 Share Posted December 19, 2016 And as I said in #9 what to do with a similar system based on another central key than C ? Hayden/Wicki systems don’t really have a central key. My 46-key Haydens have C as the lowest (bottom left) note, but I find the easiest key to play them in is G, followed by D. Someone else might find another key easiest. Hmm...this is the normal/ordinary note layout : http://www.concertina.com/hayden-duet/index.htm - is it not? That is no doubt arranged with a central octave block in two (four) rows presenting the diatonic scale in C and thus they have an orientation making C the central/basic key f g a b c d e f g a b c d e You can do this is 11 other ways according to *some* other "central/basic" key, right? Same with the English system, the Crane or Maccann, they also obviously have C as the central/basic key in the standard note layout. IF you make an *infinite* layout of the Wicki/Hayden ( or Janko, or button accordion, or Wheatstone "double" or some other isomorphic system) they may become key indifferent but not when limited to the real/produced common instrument number of buttons. Quote Link to comment Share on other sites More sharing options...
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