Where was I? Oh yes, Beethoven.
Symphonies. The kind of composition that made him immortal... or better said, he made himself immortal by composing the greatest instrumental pieces of music ever heard.
3rd (Edit: new link):
5th:
6th:
7th:
Very few composers have come close to those four, but regarding symphonies, everything pales in comparison to his ninth, in particular the grand first movement (Edit: new link):
There are thousands of princes, but there's only one BEETHOVEN. Music for the ages!