Keeping your piano clean

Keeping your piano clean:
Many piano owners, especially women, like to polish their furniture, and keep it in good condition.
But what are the correct procedures to clean a piano?

The outside case of the piano is made out of wood. Different kinds of wood. And then layered over with various kinds of finishes.

Mostly it’s useful just to whipe with a damp, soft cloth, Emery, or any soft material you can find.

In some cases though, if it is very durty, it is necessary to use a mild soap-water mixture.