Thanks again for the help but I think, as Tobbeh99 said: "I'ts good that you added a dynamic. The specific places I'm thinking about are: Places such as measure 9-10 when "the guitar strums more", I feel like it could be a bit louder, maybe add forte/crescendo in measure 9 and in measure 10 a diminuendo. And the "whistle" part, I think could be a bit softer, piano."