The secret of was discovered and perfected in china, and for hundreds of years potters elsewhere failed to duplicate it. terra cotta porcelain stained glass gold leaf

The correct answer is porcelain.
You may have seen in many movies Chinese porcelain, usually coming from the Ming dynasty. In those movies, you can see how important and valuable that porcelain is because everyone is extremely careful around it so as not to break it.

Atellan farce orignated in etruria italy

Musical notation is a system which is used to  visually represent music  pertaining to the ear  contend  with instruments or sung by the human voice through  the employment  of written, printed, or different symbols.in the western music tradition, the sound is represented in written form through musical notation.in musical notation, the pitch is indicated exclusively by the position of notes on the lines and spaces of the staff.