Setup a Rack in Motu BPM and have two keys on a controller setup to trigger the same note. Set your bars to 16 and hit record and play quarter notes on the two keys playing them in unison. Eventually, BPM will stop recording the NOTE OFF msg's for that note, until you restart the program. This was noticed in verision 1.5. You can't see it, but there are actually two identical notes being played and recorded at the same time. The issue was discovered using a guitar midi interface which produced some ghost notes which causes the problem. This is a simpler way to reproduce it.
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