I own a fitness center, and want to play music legally. How can I do this?

I want to play music throughout the fitness club, do I have to pay for it? And if so, what is my cheapest alternative?I own a fitness center, and want to play music legally. How can I do this?Satellite radio costs about $14 per month. There are at least 80 channels of commercial-free music on 24/7. Get it %26amp; play it.