Title: It doesn't play the notes you press.
Review: I bought this having read all the reviews. If they had all been true, including the cheapness of the buttons, and the volume level limitations, it would have suited my needs very well. Nobody mentioned however that it has a serious software bug that causes irrelevant notes to sound when keys are pushed.If you play a simple C major 7 chord: c e g bflat, the instant you play the bflat a d and an f sound as well. Most four or more note chords are corrupted with spurious notes added. This would be very confusing for a beginner and makes the keyboard utterly useless as a harmonic instrument.
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