I don't believe that Beethoven couldn't imagine harmonies perfectly in his head. Perhaps not orchestral texture and balance though, but probably no one could wh

I don't believe that Beethoven couldn't imagine harmonies perfectly in his head. Perhaps not orchestral texture and balance though, but probably no one could while completely deaf. Are you talking about the famous "boogie-woogie" variation in Op. 111? I don't see what could possibly be "glitchy" about that, rather than utterly visionary!