Grand Opera Term Analysis

My glance immediately turned into a stare. Yes, there he was, unmistakably, my father! looking hardly a day older than when I had seen him some ten years before. What a strange coincidence! What should I say to him? What would he say to me? Before I had recovered from my first surprise, there came another shock in the realization that the beautiful, tender girl at my side was my sister. Then all the springs of affection in my heart, stopped since my mother's death, burst out in fresh and terrible torrents, and I could have fallen at her feet and worshiped her. They were singing the second act, but I did not hear the music. Slowly the desolate loneliness of my position became clear to me.