he might , for example , ask bhakti whether he would have inspired his audiences so profoundly with his music had he been classically trained in the rigors of accordion-playing , complete with the proper stance , the requisite finger positioning and movements , and employing the proper classical facial expressions , which seemed to tighten in synchronicity with the high notes and relax with the low ones , as though one were laboring unsuccessfully to evacuate his constipated bowels .