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How to Setup the MIDI Outputs to Virtual Instrument

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1. Create few IAC ports in the 'Audio MIDI Setup' app:



2. Go to your virtual instrument, load an instrument and chose the port 1:



3. In Opusmodus composer panel type (midi-destinations) and evaluate the function:



Note: We use the MIDI-DESTINATION function for reference only.

The output will look something like that:

=> ((0 . "Bus 1") (1 . "Bus 2") (2 . "Bus 3") (3 . "Bus 4")
    (4 . "Bus 5") (5 . "Bus 6") (6 . "Bus 7") (7 . "Bus 8")
    (8 . "Bus 9") (9 . "Bus 10") (10 . "Bus 11") (11 . "Bus 12")
    (12 . "Bus 13") (13 . "Bus 14") (14 . "Bus 15") (15 . "Bus 16")
    (16 . "Session 1") (17 . "Keyboard") (18 . "MIDI OUT")
    (19 . "UM-ONE") (20 . "Kontakt 5 Virtual Input”))


4. In the DEF-SCORE in the instrument section add the same port you have assigned to the Virtual Instrument.

Note: Opusmodus port numbers are 0-based.

(def-score goldberg-var7
           (:key-signature '(g major)
            :time-signature '(6 8)
            :tempo '("al tempo di Giga" e 155)
            :layout (piano-solo-layout 'rh 'lh))
  (rh :omn rh
      :port 0
      :channel 1
      :sound 'gm
      :program 0)
  (lh :omn lh))


Or, you could use the port name if you prefer:

 (rh :omn rh
      :port "Bus 1"
      :channel 1
      :sound 'gm
      :program 0)

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