“You hypocrites, why are you trying to trap me? Show me the coin used for paying the tax.” They brought him a denarius, and he asked them, “Whose image is this? And whose inscription?”

In episode 2F09, when Itchy plays Scratchy’s skeleton like a xylophone, he strikes the same rib in succession, yet he produces two clearly different tones. I mean, what are we to believe, that this is a magic xylophone, or something?