来自MSN1 年
How many keys are on a piano? Black and white facts of the classic instrument.
The piano is a favorite instrument for experienced ... keys – most come in increments of 25, 32, 49, 61 or 72 keys. According to Yamaha, the reason for the 88 keys has to do with the hearing ...
朝日新聞社1 年
Yamaha piano sales in China hit wrong key after policy change
HAMAMATSU, Shizuoka Prefecture--Yamaha Corp.'s sales in China of equipment including pianos have hit a sour note following Beijing’s educational policy changes aimed at reducing extracurricular ...