Question

Choose the three basic categories into which interval quality is divided

- dorian
- diminished/augmented
- major/minor
- imperfect
- perfect

Answer 1

Unison, fourth, fifth and octave are called perfect intervals. Each of them can be diminished (one chromatic tone smaller) or augmented (one chromatic tone larger). The rest of the intervals within an octave are: second, third, sixth and seventh. Each of them can be major or minor.

Step-by-step explanation: