Hohner MBND12-D Small Marine Band Diatonic Harmonica in Key of D MajorSometimes you just need a little bit more to fully express how you feel. When Sonny Boy Williamson II discovered the rich, deep toned sound of the 12 hole Echo Vamper harmonica, it inspired him to record one of his best known pieces, Bye Bye Bird, dedicated to the great Charlie Parker. Now known as the Marine Band 364 24, very little has changed since Sonny Boy first played this classic harp except the engraving on the top cover and the color of the