Thank you very much for replying so promptly

I have not yet tried changing midi channels and have no idea, as yet, how to do it. Though, I had guessed that might have something to do with it. Please explain. What I need is for Rosegarden to send two different tracks from a single midi file to two instances of VMPK simultaneously. At the moment, I cannot get that to happen. My external midi keyboard controllers are not the problem in that they are running okay with Qsynth.

On 10/06/15 13:27, Ralf Mardorf wrote:
One MIDI output/input can use 16 separated MIDI channels at the same
time. Do you care about MIDI channels?

Channel names could be named 1 to 16 on one device, but 0 to 15 on
another device. In addition a device might provide an option "any" or
"all" or "omni", resp. "omni on", this does mean that all 16 channels
are send/received/played.

What you want is that track one sends on e.g. MIDI channel 1 and track
2 on e.g. MIDI channel 2. One instance of QSynth should receive MIDI
channel 1 and the other MIDI channel 2. It's same for your external
keyboards, unfortunately some oldish keyboards tend to send on MIDI
channel 1 only, if so you need a filter application to transform from
MIDI channel 1 to another MIDI channel.

Perhaps you're aware about this and there's another issue, so before I
continue to explain in broken English ... Do you already care
about MIDI channels?




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