How is the key of a song established? A. by the clef the music is written with

B. by the mime signature at the beginning of the song

C. by the number of piano keys needed to play the song

D. by the notes in a major or minor scale

c

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)