Charles CHAYNES (1925-2016). Autograph music manuscript signed, Quatuor à cordes, 1970; [1]-21 sheets 37.5 x 27 cm. String quartet, premiered on April 1, 1971 by the Quatuor Parrenin, lasting 15 minutes 30 seconds. The title page of the manuscript, in addition to the explanation of the signs used in the score, presents the "schematic plan" of the Quartet: "Recit 1+3 - Dialogue 2+2 - Triple recit 3+1 - Tutti - 2nd Dialogue 2+2 - Soli 4x1 - 3rd Dialogue 2+2". The manuscript is carefully written down in Indian ink on 24-line tracing paper. It is signed and dated at the end "May 1970". Discography: Quatuor Athenaeum Enesco (Musique française d'aujourd'hui, 1998). B12