Watch the Blowing, Drawing & Swells online guitar lesson by Annie Raines from Blues Harmonica Blueprint
Playing the harmonica is all about breathing. When I say "draw" and "blow", what I really mean is "inhale" and "exhale." Here’s a simple chord exercise to get you breathing right: open your mouth wide enough to play holes 1-2-3-4. Your lips should be relaxed, not pursed, and the inside, moist part of your lips will be touching the cover plates. This is essential for getting a good seal with no tension. Your jaw should be relaxed also and not extended. It’s a small instrument, so you only need a small amount of air to play it, even at loud volumes. Now slowly exhale and inhale through the harmonica on holes 1-4, starting quietly and swelling and fading the volume of each breath.