Go to the goodwill store regularly and buy anything that looks even remotely of interest for a couple of bucks a pop. Various artist compilations are a great way to get exposure to artists that one might otherwise never give any thought to.
Consider investigating world music! I always pick up up most any Putumayo CD I can find for a few bucks or less.
Consider investigating world music! I always pick up up most any Putumayo CD I can find for a few bucks or less.