Answer:
Drosselmeyer is a minor character appearing in Disney's 2018 movie The Nutcracker and the Four Realms. He is a inventor who is Clara Stahlbaum's godfather and Marie Stahlbaum's friend.
Explanation:
I hope that right.
Not sure what graph you’re talking about but i know that when you play an instrument the pitches are different regarding the note and tone you play
Adding auxiliary bounce lighting or reflectors is used in weddings