Answer:
scales they themselves invented.
Explanation:
It most likely means they are singing higher than required
B allegro. technically its <span>Allegro energico e passionato but whatever. B
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The medium is pencil/pen and the different values were achieved by shading in darker areas dark and light areas lighter.this makes it challenging because with pencil/pen there can always over go with it
<span>The fundamental = 1st harmonic is not an overtone!
Fundamental frequency = 1st harmonic.
2nd harmonic = 1st overtone.
3rd harmonic = 2nd overtone.
4th harmonic = 3rd overtone.
5th harmonic = 4th overtone.
6th harmonic = 5th overtone.</span>
