What was the main purpose of roman art? apex?

Basically the Romans believed that the Rome was unequaled in wealth and power. Thus a lot of their art reflected that such as columned temples, heroic statue and imperial monuments all meant to showcase Romes greatness. Moreover the column of Trajan is a good example of this. In addition, Roman used art as decoration and to honor gods and other important deceased people.  

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)