What should I write about?
fantasy btw

answer; the masks were used in rituals and celebrations, some tribes wore animal masks as a way of thinking the animals for their gift of food;

c, d, e, f, g, a, b, and c.

sometimes western music will also use solfege. the names of these are do ra me fa sol la si (or ti) and do.

to indicate a note a half step higher or lower then the original note, you would say c # (for a half a step above c) or bb (for half a step below b)

prosumerism is the correct answer.