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.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }