Berio: Sequenza VII for OboeMy "Sequenzas" for monodic instruments (flute, trombone, oboe, clarinet, trumpet, bassoon) call for a polyphonic listening, partly based on a fast transition between different characters and on their simultaneous interaction. In "Sequenza VII" for oboe I carry on the research of a latent polyphony putting into perspective the complex sound structures of the instrument with an ever present "tonic": a B natural that can be played pianissimo by any other