Poster announcing 'The Well-Tuned Piano' concert series, September 17, 19, 21, 24, 1978, Dia Art Foundation at Heiner Friedrich, Inc., 393 West Broadway, New York City.

Offset, blue and magenta inks on white matte coated stock. 35.8x28cm. SIGNED by La Monte Young and Marian Zazeela in pencil, dated '07 XII 04 NYC'. Prints Zazeela's dot-style mirror-image shadow of the concert title, with a dot-style border surrounding a calligraphic text providing additional information. Fine.