Tudor & Cage
Bowerbird is pleased to present percussionist Stuart Jackson performing David Tudor's Coefficient: Frictional Percussion and Electronics (1991). This late electro-acoustic work, originally composed for percussionist Michael Pugliese, exists not as a traditional score but as a set of materials, circuits, and performance practices developed through experimentation. Frictional gestures—scraping, rubbing, sustained contact—activate microphones and transducers, creating…