Goldberg Experienced Ghost Chorus In addition to being a sound sculpture, the piano used in the Goldberg Experienced project, in turn becomes an artifact of this project thanks to the experimentation traces inscribed within it. Each note of the Goldberg Variations is electrically amplified and the ensemble of sounds resulting from this vibration of the chords evokes a ghost chorus. A sensor activates and controls one of the piano pedals and modulates the feedback and the harmonics. Furthermore, four notes—the first two and last two of the Goldberg Variations—are permanently activated, thus referring to the cyclical and symmetric aspect of this Johann Sebastian Bach work.       TOP