One of the remaining big structural to-dos for MNX is defining how to encode transposing instruments. And closely related is the need to encode how score-vs-part differences are encoded — such as ...

Create new score with one non-transposing and two differently transposing instruments – e.g. Flute, Soprano Sax, Alto. Key Signature = C Max (concert) Add whole notes (e.g concert G) to each ...