Around 1960 Olivier Messiaen began a large-scale concerto based on the birds of the Hérault region ('Oiseaux de l'Hérault') for piano various soloists and orchestra. Although the project remained unfinished the solo piano part was quite developed. The Olivier Messiaen Foundation entrusted Roger Muraro a renowned interpreter of Messiaen's piano works with organizing the sketches and manuscript…