12 channel installation for international leaders autotuned to chorals of JS Bach. (2009)

Small speakers hanging by their magnet on two steel sheets suspended from the ceiling. Each speaker plays back one voice of a current international leader. The voices are auto tuned to a part of selected Bach Chorals. The installation puts all differences aside, everyone singing together in Bach's heavenly tonality. The audience can pick up the speakers if they want to, and experience the different sound quality of resonance vs non resonance.
Here is a small example as a stereo mix: