[ Ref. James Williams in 230124 MMDigest ]

Hi there, extensive lists of 31-note rolls can be found on my webpage
at http://www.grindorgans.com/rolls31.html 

If you are in the U.S. there is also a limited list at my competitor's
site: http://www.popmusicrolls.com/catalog/raffin31/ 

If you are in the U.K. there is Melvyn Wright, though I didn't find his
roll list: http://www.melright.com/busker/punching.htm  Also there is
of course Ian Alderman: ttp://www.barrelorgan.org/catalogue.html

In Germany you can also find rolls from Edi Hoffman:
https://www.drehorgel-edihofmann.de/31er-tonstufe/ 

In the Netherlands: https://www.thomas-sterk.nl/en/music-rolls/31-note 

In France from Le Turlutain:
https://leturlutain.fr/index.php?item=&action=page&group_id=10000007&lang=fr 

Aside of that I want to inform about my own arrangement services which
have recently extended from 20-notes also to 31-note and 42/44-note
chromatic scales. Some examples:

https://www.youtube.com/watch?v=ofXaJRDXexY 
https://www.facebook.com/100077168005666/videos/717407879783338 

Please do not hesitate to get in touch for questions.

Musically,

Ingmar Krause
Coquitlam, British Columbia, Canada
http://www.grindorgans.com/ 
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