Take a deep breath.
Let’s get some basic terminology sorted out:
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[li]The sounds of the MD can be played by MIDI note messages with each note triggering a different track’s sounds.[/li]
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[li]The MIDI messages that are used to control MD sound parameters are MIDI Control Change messages (aka CCs), not Program Change messages.[/li]
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[li]The MD manual gives lists of the Control Change messages that you can use in Appendix B. The number of the Control Change message is given in two different number formats (decimal (base 10) and hexadecimal (base 16)). I suggest that you ignore the hexadecimal version for now.[/li]
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Let’s take an example:
Let’s say that you are using a TRX-BD machine on track 1 (BD) of the MD. This can be controlled using MIDI from the base channel that is set on the MD. If you want to control the decay time (the second parameter) of this machine by MIDI then you have to send Control Change message number 17 with a value that corresponds to the decay time that you want.
If you can’t figure out how that example was created from Appendix B of the manual, let us know.
Also, if you don’t know how to record and send MIDI CC messages in Logic, let us know.