Well, the melody from one of his string quartets was used as a national anthem.
In terms of inventiveness, he did things like writing a menuet where the first half is a mirror of the second half. Also, his "The Joke" string quartet screws around with the audience with multiple false endings, then a final ending that makes it sounds like the music will continue.
Also, listen to the last movement of the "Lark" quartet. It's a extremely fast rondo that chugs along, unexpectedly turns into a 4-part fugue for about 45 seconds then switches back into the rondo themes as quickly as it began.
Well, the melody from one of his string quartets was used as a national anthem.
In terms of inventiveness, he did things like writing a menuet where the first half is a mirror of the second half. Also, his "The Joke" string quartet screws around with the audience with multiple false endings, then a final ending that makes it sounds like the music will continue.
Also, listen to the last movement of the "Lark" quartet. It's a extremely fast rondo that chugs along, unexpectedly turns into a 4-part fugue for about 45 seconds then switches back into the rondo themes as quickly as it began.