Now that you've learned to play single notes on the harmonica cleanly here's something a little more advanced — bends. Bending notes is one of the most important techniques in harmonica playing. Not only is it a great tool for expressing emotion in your music, it also adds several notes to the scale that the harmonica is capable of playing. Bending is an elusive technique that takes time to master, but once you learn the skill, it will add tremendously to your range as a player.