1.NO SLIDER FOR MIDI TRACKS = UNABLE TO USE MACKIE CONTROL TO FADE OUT MIDI TRACKS.
Also if you use the External Instrument plugin, it assume you have one audio physical out/in for each midi track, IT IS NOT TRUE FOR A BLOFELD FOR EX. WHERE YOU HAVE 1 STEREO OUT FOR 16 MIDI PARTS, if you use 1 Ext. Instrument plug for each midi tracks, you'll get duplicate audio in, that doesn't make sense.
2.UNABLE TO KEEP AN 'EXT AUDIO IN' CHANNEL FREE FROM 'SOLO' WHEN SOLO A MIDI TRACK.SO FOR MULTI MIDI INSTRUMENT(Clavia G2 4midi>2out, Blofeld 16midi>1out) if you solo a single midi channel , the audio in will shut out.Crazy!!!!!
Ableton Live surely isn't very good at MIDI
See ya