Yeah, I don't see much difference between choosing a certain outfit or choosing to put makeup on when performing. It's just an expression of a person's style/feelings/ideas. You may like it or not, but that should not affect your judgment on the music. I know there are many shitty bands nowadays putting on makeup, and that doesn't make their music better AT ALL. But there are also great bands whose makeup/outfits add something to their performances.
At least you can wash the makeup away when you feel like doing that, something pretty hard to do with a tattoo ha ha.
Dionysusundone, add Boy George to the list

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