Instruct: Classify a given Amazon review as either positive or negative.
Query: The best percussion ensemble piece of the twentieth century

Yes, even better than the classic Ionization by Varese (itself a great piece and included on this CD), Wuorinen's masterpeiece is 40 minutes of sheer energy, depth and substance. The Cowell is a classic and very early pattern piece with a virtuosic Xylophone part and the wonderful sound of eight ricebowls played in a pattern (with chopsticks). The Michael Colgrass piece is a colorful and lyrical work. Anitphonies by Saperstein makes great uses of templeblocks.The New Jersey Percussion Ensemble under the direction of Raymond Desroches will go down in history for this recording.