This page is read from MIDI Instrument Definitions, a Python library used in the author's other projects, in which every number is traced to a document its maker published. Its source is on GitHub.
Voce
Voce makes one of the instruments this release defines, with a page of its own setting out its MIDI implementation, read from the maker's own documents. It is loaded in Python by the name beside it.
- ELECTRIC PIANO
voce/electric_piano: 16 or 32 voices; 3 parts; 8 controls.