Proprioception and Sensory Integration: Weight Distribution Demonstration. Ava demonstrates a weight distribution activity, inspired by Émile Jaques-Dalcroze, as she begins to learn "Rocking Chair" -- a piece that requires students to rock back and forth between low and high notes on the piano. She begins with swinging a hefty pillow, while listening to the piece. The weight of the pillow allows her to become more aware of her own body weight, in relation to the music, as she rocks the pillow through time and space.