The Mudcat Café TM
Thread #156451   Message #3694309
Posted By: Jack Campin
15-Mar-15 - 06:39 PM
Thread Name: Tune Req: calling all music theorists
Subject: RE: Tune Req: calling all music theorists
This might be of interest:

http://www.world-flutes.com/Phi-Flute.html

I can't see myself having a use for one though.