I am looking for software that can convert a MIDI file in organ to a string or trumpet etc. automatically. Is there such a program?

Any help is appreciated.

  • 2
    Any MIDI sequencer should be able to do this. – CL. Aug 21 '19 at 6:12
  • Voted to reopen. I as far as I can see, this question already "describes the required function and setting in which the equipment will be used, and asks what the OP should look for to achieve that". There's no suggestion they're looking for particular recommendations; as per CL's comment, they may just need to know what a "sequencer" is. – topo Reinstate Monica Aug 21 '19 at 14:41

Most MIDI sequencers will be able to do this. Generally, I would expect that you will need to do something like this:

  • load or import the MIDI file into the MIDI sequencer

  • play the MIDI file and see if it plays as you would expect in its original state. You might have to alter the sequencer's output or MIDI mapping settings to make sure it is playing through an appropriate MIDI synthesizer, such as (on Windows) "Microsoft GS wavetable synth" - or, of course, something better!

  • Change the voice settings of the tracks for which you want to change the sound. Your sequencer may help you by telling you which numbers correspond to which voices, or this list may help: https://www.midi.org/specifications-old/item/gm-level-1-sound-set

  • Save or export the file as a General MIDI file

The file should now have different "program change" data at the start, which will cause the notes to play as a different sound.

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