We could've put electric probes into the seats of the crowd. It would've hurt.
But instead, we just energized them (slowly) into a frenzy (light applause) until they couldn't contain themselves (they bought CD's, then went home). The second wave of people were way more into the show, clapping and singing.
Deb needs to add a sign at the bottom of the stairs: To Please The Band, Applause Required