Answer:
The answer is tempo I believe
The mona lisa was a pice of artwork by lionardo davinchi. the mona lisa is one of the most valuable pice of artwork in the world.it is worth nearly $800 million today
it is the most written about ,sung about,and most visited artwork.
The patronage system declared for him to stop drawling
Concerto
I think I cant really explain how I got the answer.