Altazor was commissioned by Festival D'Autumne a Paris 2011, computer designed realised at IRCAM-Centre Pompidou Studios by Lorenzo Bianchi, comuter designer. On completion of this work the composer is a member of Sistema. Altazor is composed for Baritone Voice, Flute, Clarinet, Oboe, Percussion, Piano, Violin, Viola, Cello and live electronics.