Answer:
The Clef, Notes, Repeats, Endings
Explanation:
I might have missed things but I'm pretty sure thats it
Im not fully sure, but I think that it is a drawing by leonardo da vinci, and it was one of his ideas for a thing kind of like a helicopter.
Your Answer is 12/16, which is B. 12
Hope that helped ;)
October 25, 1881
that's his birth date
musictheory.net or earsketch
yes
