Gran Cassa and the interactive instrument Feed-Drum (Part I)

The Feed-Drum is an imperial bass drum with a system of electronic conditioning of the skin conceived by composer Michelangelo Lupone and produced at CRM - Centro Ricerche Musicali, Rome. Through the principle of feed-back, the signal produced by the excitation of the skin was returned to the skin itself in the form of acoustic pressure. The result was the infinite prolongation of the sound. The system controls the damping of the movement of the skin, and therefore the decay rate of the sound, and permits i