Any chance you are hearing damper resonance? It sure sounds like it to me. Disable effect A and effect B and repeat your test.

Thanks for the responses - I now understand what's going on more clearly. It seems Jeff's request is basically to be able have zones processed early e...

So, just to clarify. Let's say I wanted to create a performance where the bottom octave is bari sax, the middle is piano, and the top two octaves is ...