Analysis of information sources in references of the Wikipedia article "Yamaha QY10" in English language version.
[The QY10, a] video cassette-size keyboard with rubber keys[,] doesn't exactly sound like an inspiring new piece of kit. But inspiring it was to a great many people and it went on to become one of Yamaha's most popular products for 1991. [So] it will come as no surprise to learn that the QY10 has been overhauled, revamped and re-jigged into the shape of the QY20.
