The minimum energy required to start a wave #1/#2/#3/#4
for 5 amplified cellos and PA system (for big spaces)
I observed myself playing as softest and hardest I can, focusing on the gesture of bowing, finding the discipline for keeping the sound continuum even on the verge of the two opposite states: lightness and heaviness.
A mic played as a ear and recorded. Once played back, the ears rediscover the sound, slowly getting used to it, due to a controlled pressure release
Recorded in London