The reeds of diatonic harmonicas are tuned to produce the natural notes of the scale without sharps or flats. Each hole has a blow reed and a draw reed, each tuned to a different note on the scale.
The reeds of diatonic harmonicas are tuned to produce the natural notes of the scale without sharps or flats. Each hole has a blow reed and a draw reed, each tuned to a different note on the scale.