    Sentence  4° The commentary is chanted by 4 chorus of gx to.cight’  narnitors (réthiniscent of the chorus in Greek tragedy)  who. Sit “at ithe ‘side. of tie stage, ‘while. musicians’  positioned at the! biick of the ‘tae provide, stark  aCcompanithent with fllit ind drains    Sentence: ithe chorus js‘usuilly made:of evi or three  people. : .