Thank you so much for this, Sam.
I'm new to Reaper after many years on Cubase and can't figure one thing out with your routing: Everything looks good but I can't figure out why I'm not hearing audio from any of the MIDI tracks. I'm seeing audio (colored red) on them, just not hearing it. I'm sure it's a stupid mistake but I just can't figure it out.
When this happens to me, the two main culprits are:
1) I forgot to turn on "Input Monitoring" in the track itself (not the one with the Ensemble Pro Server plugin, but the track that's actually inputing MIDI and receiving audio back). Depending on the theme you're using, you can find this in the TCP (Track Control Panel) or Mixer.
2) The Expression or Volume CC (11 and 7, respectively) are accidentally turned down for that particular instance of VI or Synchron Player. I can't tell you how many times I've tweaked CC envelopes, forgot I had done so, and then freaked out thinking the audio wasn't working when the reality is that Expression was just set at 0 the whole time!
Does one of those two fix your problem?
- Sam