Question

How many times can a specific pitch appear in a tone row? (Twelve-tone System)

Answer 1

The correct answer is one.

Step-by-step explanation:

I took the test.

Answer 2

For the answer to the question above, in some cases with some pieces, two or more tone rows may be heard progressing at once, or there may be parts of a composition which are written freely, without recourse to the twelve-tone technique at all.