Ok how any questions do you have to answer to be able to chat on here. I will mark you brainlest the first who gets it right.

 none, i think

Explanation:

one or none

Explanation:

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)