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Step 1
Know that chromatic harmonicas are made with 10, 12 or 16 holes traditionally, although variations in holes are available. Each octave has 12 notes, and the button on chromatic harmonicas raises the pitch of the sharp and flat notes.
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Step 2
Hold the chromatic harmonica so that the holes are facing you, the slide button is oriented on the right and the numbers are on the top cover of the harmonica. Adjust how you cup the harmonica to alter the sounds that are produced.
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Step 3
Play a 12-hole chromatic scale in a C key. With the slide in, on note 1, blow C and inhale D; on note 2, blow E and inhale F; on note 3, blow G and inhale A; and on note 4, blow C and inhale B. Repeat this series through the next eight holes.
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Step 4
Continue the chromatic scale. With the slide out, on note 1, blow a C-sharp and inhale a D-sharp; on hole 2, blow an F and inhale an A-sharp; on hole 3, blow G-sharp and inhale an A-sharp; and on hole 4, blow a C-sharp and inhale a C. Repeat this series through the next eight holes, but blow a C-sharp and inhale a D on hole 12.









