Music is endless, and there’s always more to practice, more to learn, more to do. The limitlessness can be intimidating, especially to beginners, or to those stuck in the “conscious incompetence” phase (one of four phases of musicianship/practice described in The Practice of Practice). But once you realize the fact, and make peace with it, having endless horizons to explore is liberating. Exciting, even. Then you just have to get started. Check out these great vids from veteran explorer Dizzy Gillespie.