four o’clock in the morning
she protests ; to which he answers , `` It was like his voice come back from the grave ! '' And so we see these two souls cast into the crucible together . Section 4 . The second act showed the aftermath of the great concert , and took place in the drawing-room of the Hartman family 's apartment , at four o'clock in the morning . We see Moses and the two professors , who have not been able to tear themselves away ; dishevelled , _ distrait _ , wild with vexation , they pace about and lament . Failure , utter ruin confronts them -- the structure of their hopes lies in the dust ! They blame it all on `` that woman '' -- and members of the family concur in this .