I got a rock / drone project with a live drummer and a bass guitar player (guitar guy is gone, we are looking for a new one currently) and me on the A4 …
so the plan is:
I get the drummer to buy a edrum set or sample pad (and hook him up to my AR… more to carry for me) … and control his sounds with the OT …occasional resampling as well…
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the bass guitar player is also routed thru the OT with occasional resampling fuckery and some FX from me (since right now we are missing a guitar player , so I figure I pitch up the resampled bass and add FX …
all will run over the big PA so we dont need earplugs anymore from the real drums drummer…
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also I will sit at the a4 and add drone synth pads to the mix …
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I will have total control over the sound and the setup… damn I am such a nazi 
thats why the OT (also I have playing with ear buds, cos I lose the details of the A4 but all depends on the drummer to go edrums…
thanks for asking