Mainz, 1986. 27 x 33 cm, 38 pp. 2-color line-cut. With these 6 études the composer won the 1986 University of Louisville Grawemeyer Award for Music Composition. The manuscript reproduced here represents a preliminary version of the Études, which differs from the final published version. Limited edition of 2000 copies. Wrappers with full-color illustration of a page from the “draft” of étude no.1. $30