The French pianist Sophie Agnel (Paris, 1964) plays after what she calls “preppiano intensif”, she prepares the piano with the most diverse objects. First, recordings from a solo performance in 2008, after that pieces of her in a trio with French saxophone player Bertrand Gauguet and the German Andrea Neumann, who uses the electronically manipulated inside piano with strings.
Sources:
Sophie Agnel: Capsizing Moments
(Emanem 5004)
Sophie Agnel: Spiral Inputs
(another timbre at 39)