If our eyes only saw frames (IE: 30 images a second), like a single lens reflex camera, we'd see images pop in and out of existance and that would really be annoying and not as advantagous to us in our three dimensional space and bodies.
In the Vienna of the second half of the 18th century, in addition to Haydn and Mozart, three symphonic composers, namely Leopold Hoffmann, Carl Ditters von Dittersdorf and J.B. Vanhal helped further the development of the symphony.
The Ninth Symphony was premiered on May 7, 1824 in the Kaerntnertortheater kÃ¤rntnertortheater In. Vienna there had been only two full rehearsals and the performance was rather. Scrappy despite, this the premiere was deemed a great. success