Lee Oskar 1910N-MIN-F Natural Minor Harmonica Key of FNatural Minor harps have a very bluesy, soulful sound that's perfect for playing MINOR Blues, Rock, Country, Reggae, Pop & Jazz. This fabulous tuning is set up to play MINOR MUSIC easily, without straining the lips, the lungs or the mind! All of the notes and chords that were missing on the Major Diatonic, for playing minor blues, are right there on the Natural Minor. Natural Minors are designed to be played in 2nd Position (cross harp), not 1st