found: Wolff, C. For piano I [SR] 197-:label (David Tudor)
found: New Grove dictionary of American music(Tudor, David (Eugene), born January 20, 1926, in Philadelphia; pianist and composer)
found: MLA-L, August 15, 1996(David Tudor; died August 13, 1996, in Tomkins Cove, N.Y.)
found: Grove music online, August 2, 2013(Tudor, David (Eugene); born January 20, 1926, Philadelphia, died August 13, 1996, in Tomkins Cove, a town section of Stony Point, New York; American composer and pianist; known for his association with composer John Cage)