The term "four-part harmony" refers to music written for four voices or for some other musical medium—four musical instruments or a single keyboard instrument, for example—where the various musical parts can give a different note for each chord of the music.

Choose your answer: based on the paragraph above can we conclude that "four-part harmony is a special form of music"?

Choose your answer from: [i] Yes. [ii] It's impossible to say. [iii] No.
I think the answer is
[ii]