It's just easier to make it. No royalty or licensing to have contracts with either. Of course the average person will still find music they want, but the commercial side of music will be hit, not to mention the novelty of it all. Anyone with only an idea will be trying to get ears on their new tracks.

Ultimately, not much will change in terms of abundance of music and its enjoyment... yet I'm sure there will be effects that we only recognize afterwards.