On Friday 4 July 2025, the three co-chairs were able to meet in London and spent the whole day working together in person on the MNX specification. Instrument transposition We started the day discussing issue #287, concerning the handling of … Continue reading →

MNX Adrian has added the showOctave boolean to the clef object, and updated the description for the glyph value in clef to make clear that if your only reason for specifying the glyph is to specify that the clef should … Continue reading →

MNX Paul Overell raised issue #424 concerning the encoding of an octave clef in one of the examples. This raised some interesting issues about the encoding of octaves. We decided that we should use the same ottava amount object used … Continue reading →

SMuFL To start the meeting, we had a brief discussion about whether we could or should try to formalise the criteria for whether a set of symbols can be considered for inclusion in SMuFL, since we have had a number … Continue reading →

MNX Adrian has made the changes we discussed in the last meeting that the event type object is optional. This has been removed from all of the example documents, and in our estimation this feels much better, and cuts down … Continue reading →

MNX The slur object no longer has a location key. Adrian deleted an example that contained an incomplete slur since it should be reworked into a laissez vibrer tie example in future. The target object is now required for slurs. … Continue reading →

MNX Further to our discussions in the previous meeting, Adrian has made the changes to the specification for accidentalDisplay per discussion #366. The linked comment provides links to the relevant specification changes. We discussed Robert Patterson’s proposal to move ottava … Continue reading →

MNX Adrian has committed the changes to encoding of ties as discussed in the last co-chairs’ meeting, per issue #396, which is now closed. Related to discussion #366, we revisited the need for useAccidentalDisplay. Because we propose to add the … Continue reading →

MNX Adrian provided some rapid-fire updates on a number of issues recently raised by members of the community group: The bulk of the meeting concerned issue #395, the encoding of ties. Ties are encoded on the starting note: for a … Continue reading →

MNX Robert Patterson reported that two of the MNX documents in our set of examples didn’t pass JSON Schema validation, so Adrian has fixed those, such that all example documents now validate. Robert also raised two issues concerning system layout … Continue reading →