<I>Everybody, including myself, was astonished to find that it was impossible to distinguish between my own voice, and Mr. Edison's re-creation of it.</I>—Anna Case, Metropolitan Opera Soprano, 1915
<I>Everybody, including myself, was astonished to find that it was impossible to distinguish between my own voice, and Mr. Edison's re-creation of it.</I>—Anna Case, Metropolitan Opera Soprano, 1915