Which scale adds five more notes to the typical Western scale, adding color and

Noblemen from which cultural group wore Torcs?

a. Celts b. Greeks c. Neo-Babylonians d. Persians

A fugue subject __________

a) must use every note in the scale b) should be instantly recognizable c) can be boring and nondescript, as long as it fits into the scale d) does not appear until the second episode