All the black keys!
The lowest-priced Boomwhackers set contains the 5 sharps/flats to create a standard octave. The pentatonic scale it forms has its own pleasing sound. Combine this Boomwhackers set with the Diatonic Scale to create a full chromatic octave of 13 notes from C to C.
Don't run out of notes - add these to your collection TODAY!
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