Mengelberg, Willem. (1871-1951) Autograph Signature and Original ProgramExcellent bold signature from the important conductor, friend and advocate of Mahler, Strauss, Schoenberg and Reger. On an album page, 11. 5 X 18. 5 cm. Sold together with 2 original New York programs from "Two Special Performances for the Benefit of the Philharmonic Orchestra Fund" held at Carnegie Hall and at the Metropolitan Opera House in April of 1924. The concerts featured Bach's Cantata No. 57 and Beethoven's Ninth Symphony, with soloists