Want this question answered?
A: musical notation.
There is no widely known author named Albert C Vinci.
Rests
Musical notation is literally music notes $$$$&$$$&
It is A flat.
B
Yes.
"Joking" in English is scherzando, which also is used in musical notation for playing pieces playfully, in Italian.
at erope
Tablature
8va. Also, "8".
Staff lines