Deryk Barker writes in regards to the Beethoven 5th:
>Almost certainly 5, as a) it only uses the trombones in the finale and b)
>was the first appearance in a symphony of the trombone (and the piccolo for
>that matter).
Actually, that honor goes to Franz Beck (1723-1809) in his second symphony
from 1762. For further information:
http://www.nthwood.demon.co.uk/bts/index-v4.htm[log in to unmask]