On music, motion and kinematic models
Three fictitious characters (P, M, and their musical friend MF) continue their enthusiastic search in trying to unravel the mystery of timing in music performance. This time they find out about the kinematic approach to expressive timing, and discuss the possible relation between motion and music.
That morning MF's kitchen turned into a real workshop. "Can we use one of your music boxes?" P asked sheepishly. With some hesitation MF collected one of his beloved machines from the living room. And after some hours of trifling and hammering they had built it--a "true" physical model of constant braking force!

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