Don't make music for some vast unseen audience or market or ratings share or even for something as tangible as money. Though it's crucial to make a living that shouldn't be your inspiration. Do it for yourself.
As tempting as it seems to wear tennis shoes with your tux don't do it. I think it looks ridiculous. If you're 14 years old maybe give it a shot. In general don't portray anything that says 'I'm too cool and I don't care.'