A kite, diamond, or most likely the correct way of phrasing it, quadrilateral.
Answer:
1. Middle C
2. Two staves of five lines
3. Bass Clef
4. Another staff below it
5. The treble clef is also called the “G clef” because the symbol at the beginning of the staff
6. The Treble and Bass clefs
7. They indicate the pitch of written notes
8. Every space or line on the staff is where you put a note at the higher up the staff the higher the note.
9. The staff is the foundation upon which notes are drawn.
To complete the sentence, in Masaccio's Holy trinity, it can be seen that the vanishing point is centered in the middle of the horizon line which is directly in front of the viewer. In the arts, the vanishing point refers to the point where two parallel lines seem to converge.
Mozart, he composed the Magic Flute and Don Giovanni and The Marriage of Figaro.