Eben, Petr. (1929–2007) "Okna (Windows) - II. Isachar, the green window" - Autograph Musical QuotationUnsigned AMQ from the Czech composer, who has penned six measures for trumpet and organ from "Isachar, the green window," the second of four movements in his "Okna (Windows)" cycle. In very fine condition. 8. 25 x 7. 5 inches (21 x 19 cm.). "Of the considerable repertoire for trumpet and organ, Ebens Okna (Windows) remains the leading work of the twentieth century, finding a regular place in recital programmes. Petr Eben says that the listener may