During the renaissance, the focus was on concern and nature ?

The term "renaissance" means rebirth. The focus was on the rebirth of classical ideas and artistic works. The works of art of the period often reflect classical themes, including depictions of Greek deities. ... A portion of the Renaissance was profoundly religious, although it often incorporated classical elements.

you so ! < 3

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)