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Mabel Ong

What's Usai? Looks like piano keyboard.

June 23, 2018 at 1:58pm
Gavin Koh

Definitely not! A typical piano octave has 12 keys - 7 white keys jutting forward and 5 black shorter keys. Ignoring the colors, we can say a typical piano has a 7-5 configuration. The Usai... See More

Definitely not! A typical piano octave has 12 keys - 7 white keys jutting forward and 5 black shorter keys. Ignoring the colors, we can say a typical piano has a 7-5 configuration. The Usai keyboard however has a 6-6 configuration - a "balanced" combination. If you color the keys on the Usai, you will find that F#, G# and A# wind up as three keys jutting forward, hence they are painted black up front.

June 23, 2018 at 8:49pm
Gavin Koh

Read more about it here: http://www.balanced-keyboard.com/

June 23, 2018 at 8:50pm