Silent Monks Sing Hallelujah [VIDEO]
This is pretty creative. It's a group of high school students playing silent monks and "singing" the Hallelujah Chorus.
Make sure to watch the entire thing. Also, pay close attention to their feet.
I don't know why, but every time I hear about or see a Monk, I can't think of anything but this classic scene from 'Monty Python & The Holy Grail':