Fitelberg, Gregor. (1879 – 1953) Autograph Musical Quotation SignedRare AMQS from the Latvian born Polish conductor composer violinist, who led the Warsaw Philharmonic for many years and who also conducted for Diaghilev, premiering Stravinskys Mavra among other works. A champion of new Polish music, he conducted the first performances of most of the works of Szymanowski and Karlowicz among many others. Very scarce. Vertical fold crease and light wear; overall fine. 7. 15 x 4. 75 inches (18. 1 x 12 cm.).