Crumb, George. (1929-2022) "The Mystic Chord (Makrokosmos, Vol. II.)" - Autograph Musical QuotationAMQS from the influential American composer, noted as an explorer of unusual timbres and extended avant garde technique. Boldly penned in black in on thick cardstock, 4 x 6 inches [15 x 10 cm]. From the composer's most celebrated work, "Makrokosmos," a series of short character pieces using extended technique on a prepared piano.