RE: [tuning] Re: Towards a Hyper MOS (was Re: two-dimensional thr ee-term BP scales)

Robert Walker wrote,

>a scale that consisted of identical
> copies in first and second half of the octave (is this what is called a
periodicity block?).

Nope -- the scale 1/1 9/8 5/4 4/3 3/2 5/3 15/8 is a periodicity block, and
contains no similar half-octaves. Given all your work with hexanies and
dekanies, I'm surprised you don't know about PBs -- see
http://www.ixpres.com/interval/td/erlich/intropblock1.htm
<http://www.ixpres.com/interval/td/erlich/intropblock1.htm> .