The piano keyboard
This piano keyboard has 12 keys. It has 7 white keys and 5 black keys. The 12 keys are also called an octave. A modern piano keyboard typically has 88 keys (52 white keys and 36 black keys) and contains slightly more than 7 octaves. Yamaha P71 88-Key Weighted Action Digital Piano with Sustain Pedal and Power Supply (Amazon-Exclusive) […]
