Whats the difference between a mouth organ and a harmonica?
A mouth organ has 2 reeds per note with a set vibrato. A harmonica has 1 high quality reed per note that allows the player to create his own vibrato at a speed that suits the music being played. The harmonica also has a chromatic lever on one end, which means that you have the sharps and flats. There are many different shapes and sizes of mouth organs and harmonicas.