Maurizio Berti wrote: > I actually add the length using a lambda function in the ev_dict at line 24: > lambda ev: [len(ev.sysex)-1] + ev.sysex[1:-1] I cannot find this line anywhere in MidiMemo. > SysEx events are not a problem per se, if you have a track with only SysEx events, it works like a charm; the issue happens when there are different event types in the same track, in a peculiar order. > More about this: > https://github.com/vishnubob/python-midi/issues/95 midi.Track(\ [midi.NoteOnEvent(tick=0, channel=0, data=[22, 64]), midi.SysexEvent(tick=0, channel=0, data=[8, 11, 12, 13, 14, 15, 16, 17]), midi.NoteOnEvent(tick=0, channel=0, data=[22, 64]), midi.EndOfTrackEvent(tick=0, data=[])]) 000000: 4D 54 68 64 00 00 00 06 00 01 00 01 00 DC 4D 54 MThd..........MT 000010: 72 6B 00 00 00 16 00 90 16 40 00 F0 08 0B 0C 0D rk.......@...... 000020: 0E 0F 10 11 F7 00 16 40 00 FF 2F 00 .......@../. ^ Running status cannot be used here; the last status byte was F7. Regards, Clemens _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user