Conductors work regularly with ensembles. if you are a member of a
string quartet and your friend who plays the piano joins the group, the group
is known as a:
a. a quadrant
b. a quintet
c. a quartet with piano.
d. an ensemble pianissimo.

ANSWER:

im not really sure of this answer but i do think its C. a quartet with piano.

~batmans wife dun dun dun...aka ~serenitybella

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.