[ Autograph ] Percy Grainger 1882-1961 American pianist and composer of experimental "free" music with novel rhythms and harmonies. Good content A "Percy" on his letterhead, 1p. 4to., New York, 1946 Grainger writes a conductor warmly lauding him for a fine job conducting a symphony performing "The Children's March", in part: ''.I admired you deeply - so young, so fresh, so quick, so sympathetic..' Toned from prior framing, a few chips in margin and mounting remnants on verso.