I'm searching for DOS editing software for the Yamaha FB-01 (which can be used in place of an IBM Music Feature Card). I came across a description of FB Master on this page:

https://homepages.abdn.ac.uk/d.j.benson/pages … oftware.html#fb

FB Master
A computer-aided voicing program for the Yamaha FB-01. FB Master is a full featured editor/librarian with envelope graphs, light bars for utility selection and printable data screens. Two memory resident editors allow for instant access to all FB01 parameters. (IBM or 100% compatible) Retail $99.00 (1988 price)

IMAGINE COMPUTERS AND SOFTWARE
759 A. Ward Dr., Santa Barbara, CA 93111

I searched the company and found the personal website of founder Scott Nelson. I've sent an email via his contact page but I'm not sure if he's around any more (website not updated since 2014).

https://soma.sbcc.edu/sanelson/about_scott.htm

Has anyone heard of this software?

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Note that I have found other software, but none for DOS.

Yamaha YRM-506 for MSX: https://www.msx.org/wiki/Yamaha_YRM-506

FB01 Sound Editor for Windows & Linux: https://sourceforge.net/projects/fb01editor/

Yamaha FB-01 Editor and Librarian for iOS: https://coffeeshopped.com/patch-base/editor/yamaha/fb-01

Yamaha FB-01 Editor for Max4Live (Ableton): https://gumroad.com/l/fb-01