Answer:
an organum is a form of early polyphony based on an existing plainsong.
a polyphony is the style of simultaneously combining a number of parts, each forming an individual melody and harmonizing with each other.
a gregorian chant is church music sung as a single vocal line in free rhythm and a restricted scale (plainsong), in a style developed for the medieval Latin liturgy.
Explanation:
Where is the sentence? But tradition normally means something you do all the time like as in a family tradition for example if you and your family goes on a vacation to florida every summer that would be your family tradition <span />
<span> A. The dwarfs think that Bilbo has done harm to their friend, Gandalf. B. Bilbo thinks that the dwarfs have taken him from his family. C. The dwarfs don't think that Bilbo can help them on their mission/quest. D. Bilbo wants the dwarfs to bring him back to his place (or you know, his home), but they don't want to. :)</span>
The answer is A.<span>Postmortem : analysis</span>