Beethoven again raised the expressive force of the genre with his Symphony No 5 and introduced a theatrical element to it. Beginning with the most famous phrase in classical music and one of the most joyous, uplifting movements as a finale it is an exhilarating experience. Beethoven didn't complete his first symphony until he was almost thirty and it marks the beginning of his remoulding of the symphony away from the Classical ideals of Haydn.