cf.0:44- cf.1:24-

Atmosphères (1961) - Continuum for harpsichord (1968) - Hungarian Rock (Chaconne) (1978) Adaptation for Barrel Organ by Pierre Charial

Global structural feature of Musica ricercata is confines to only certain pitch classes in each movement, with each subsequent movement having exactly one more pitch class than the last. I: A, D - II: E♯, F♯, G - IV: A, B♭, F♯, G, G♯ - VII…

interview: http://www.abc.net.au/arts/stories/s3779959.htm