The answer is are because its a verb that is stating something.
Some relatable songs are Pumped up kicks-Foster the people; Come home- One republic; I want to hold your hand-Beatles; Safe and sound-Taylor Swift; 21 guns- Green Day; we will rock you-Queen
Answer:
"'They’re a rott*n crowd,’ I shouted across the lawn. ‘You’re worth the whole da*n bunch put together.'"
This is describing confidence