The motion of the camera is vertical due to the analysis of my climbing. The several elements on the wall could be substitutions to piano keys, while they produce sound at a touch in a way that is slightly imitating the distance between the elements.
Thanks to the technique of superimposition the parallel and the distortion between the chanels is completely palpable. If putting this video in a endless mode more than 45 minutes are needed to arrive at the beginning of the video, that is to say the three layers to abut. The video below is just a shortened version.