Musicians typically don't have a lot of money, so I wouldn't introduce premium features. You do have a very niche market, so targeted advertising should work n

Musicians typically don't have a lot of money, so I wouldn't introduce premium features. You do have a very niche market, so targeted advertising should work nicely. That said, you know your market best. Your question is a bit like asking us what kind of pants you should buy. How the heck should we know? If you've got a fat butt, go with cargo pants. You know best.