Honestly, the mot difficult part is just not spreading diseases. You can disinfect and clean as much as you can, but not actually getting anyone sick isn't guaranteed
I believe the true statement is that Monteverdi wrote the first great Italian opera to exhibit grand Baroque opera form.
C.
to raise the pitch half a step
I would say 6.50 ÷ 2.5 = 2.6 .. but im not sure
The answer is false. Ethnomusicology generally has no canon of artists and pieces, at least in the same way that Western music does. Majority of what can be classified under ethnomusicology is music passed on in a community, and most pieces have anonymous authors.