Could you clarify which where in play for b) ?

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buZz

only have just now access to the current version of xensynth  over air with ssh@ubuntu-studio
in the process of taping /rerouting/  too short exposed network cables ,
finding a torn off tie dye sleeve for use as saw grease(coconut oil) applicator, etc...
maybe this question can be answered once the computer desk is up and running .
while waiting maybe these will hold you over
https://archive.org/details/Walkera.buchlaseq
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https://archive.org/details/22edobuchlastdpent5maj
https://archive.org/details/22astrology10buchla