On JesseSomething:
Your first part has descent art, i'm not fong of 'just playing the song' parts, but since it's just a guitar riff its not like it matters, i like the art, but the animation can improve a bit, you could add more stuff to it too, like, flashing lights or who knows, be creative.
Your second part.. it's identical to shortmonkey's part in another collab. Its totally unoriginal and been done before, i honestly dont like it, but it's up to shortmonkey.
If you are out of ideas i've been on 1, 2, 3, descent collabs, you may check them out and get some ideas that arent a total ripoff of one of the parts.
-Peace.