[20th Century Composer Musical Quotations] Boulez, Pierre. (1925–2016) "Notations IV" - Autograph Musical QuotationScarce AMQS from important French composer and conductor, one of the major innovators and forces in 20th century music. 5 x 8 inch sheet, signed P. Boulez and inscribed with 2 measures from the fourth of his twelve 1945 miniatures for piano, this being among those from the series which he later orchestrated. Fine.