If your goal is to make money with your beats tagging them should be a obvious thing to do. If you are just a hobbyist giving away free beats to see if some one likes it enough to record on it just so it can make you feel good ,
Giving away free products or services can be a great way to generate awareness or interest to your business. But the key is to recognize if its truly helping or hurting your bottom line.
On the other hand, a Non-Exclusive License grants to the licensee the right to use the instrumental, but on a non-exclusive basis. That means that the licensor can still sell the same instrumental and they can also allow other licensees to use the same beat.