Weill, Kurt. (1900–1950) & Horowitz, Vladimir. (1903–1989) & Busch, Adolf. (1891–1952) & Morini, Erica. (1904–1995) & Fischer, Edwin. (1886–1960) & Milstein, Nathan. (1903–1992) & Furtwängler, Wilhelm. (1886–1954) & Kempff, Wilhelm. (1895–1991) & HubermanAn interesting album of signatures from various important musicians, collected in Dsseldorf ca. 19301932. Included are signatures from composer Kurt Weill, pianist Vladimir Horowitz (twice), members of the Busch Quartet (Adolph Busch, Hermann Busch, and Karl Doktor) and Rudolf Serkin; violinist Erica Morini, pianist Edwin Fischer, with an autograph musical quotation from Mozart's Piano Sonata K. 331 in A major; pianist Elly Ney; violinist Nathan