My last technical problem is that in a couple of places the lyrics don't show up in game, so the vocal note tubes have no text attached.
Previously I had issues with misalignments of notes and text events but Magma catches those. I went back and double-checked that the alignment was correct in those places, and in fact notes and lyrics events are linked correctly, and move together in Reaper. The lyrics are also all defined as "text events" / "lyrics".
So what else in the midi file could cause an otherwise present and properly placed lyric not showing up in the game? Could it be something in the other harmonies tracks?
PS I am not accidentally using the $ symbol which hides lyrics on purpose
