What do you think concert etiquette means? in 5 sentences.

Concert etiquette refers to a set of social norms observed by those attending musical performances. These norms vary depending upon the type of music performance and can be stringent or informal.

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)