None the less, its not the link it should have come from to begin with. But he uses "with a crowd" and "chanting", implies that not just Mr. Silverstein was the one saying it. Are you an english professer? I'm not, so please prove me wrong.

Shouted - Adj. shouted - in a vehement outcry; "his shouted words of encouragement could be heard over the crowd noises"

Chanting - Noun chanting - the act of singing in a monotonous tone

Monotonous - adj.
1. Sounded or spoken in an unvarying tone.
2. Tediously repetitious or lacking in variety. See Synonyms at boring.