Answer:
"The incarnation of Jesus"
Explanation:
in other words, the argument was that Jesus, one of the members of the trinity, was "made of flesh and bone" and therefore could be painted, unlike the other parts of the trinity which are argued to be "of the spirit"
in other words, if I may be so brash in my wording, people were more or less like
"you can't draw what you can't see!"
and the catholic church was like
"BUT YOU CAN SEE JESUS, HE HAS A BODY"
(sorry but I just found the simplified argument a bit funny, I'm sitting here imagining my siblings arguing about if ghosts are real again...)
The key is in D major which means your do will be D (first space under the staff) I will give you the first measure:
Do Do Re Mi
Vibrato. It’s the same in vocals, changing pitch quickly in a way that sort of sounds like a vibration, though the technique itself is not called vibration.
May you explain your question a little bit better?