File saved in the proprietary ERB format by Braille Music Reader, a music creation tool for visually impaired users; contains a musical score in braille that can be read and edited by blind persons; includes settings and adjustments, such as tempo or metronome, that are customized during the sessions.

You cannot create a braille score using Braille Music Reader, you need a .BMML file to work from. Once you open a BMML file you can then create an ERB file, select File → Save or Save As..., name your file, and click Save. To open an ERB file in Braille Music Reader, select File → Open, navigate to your file, and click Open.