Answer:
"Matrices for printing types were made of copper. However, in printmaking the matrix is whatever is used, with ink, to hold the image that makes up the print, whether a plate in etching and engraving or a woodblock in woodcut."
Answer:
Contour refers to the sequence of motions between notes of a melody. In other words, contour is a measurement of how a melody moves between individual notes. All melodies have contour and it's one of the properties that's most useful for identifying and cataloguing melodies.
Explanation:
Una computadora y una lámpara
I play piano, and I honestly think that if you can consistently practice and get a good foundation, you can become a decently good player. If you have a music room or music department in your school, you can ask to borrow their piano and go their in your free time. Or, you can ask your family again or come up with the money itself. Good luck on your piano journey :)