means for assigning {TAIL ~ an effects observable command} from each of the plurality of command sets to one of said plurality of {HEAD ~ assignable user actuated switches} or keys 
means for assigning { TAIL ~ an effects observable command } from each of the plurality of command sets to one of said plurality of { HEAD ~ assignable user actuated switches } or keys
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH