Identify the generic interval between each pair of pitches.

Question

BlackTom AI · Accepted Answer

The question asks for the generic interval between each pair of pitches. 
Since the options are not provided here, I’ll lay out the general concept and then relate it to the given answer.
First, think about how intervals are named by the number of letter names they span, not by exact pitch class or accidentals. A pair of adjacent pitches in a scale (for example, C and D, or E and F) spans two letter names, which is defined as a second.
If you take pitches that are one step apart in the diatonic scale, the generic interval is a second, regardless of the exact pitch spelling or accidentals—the quality (major, minor, augmented, diminished) depends on the specific pitches, but the generic name remains second.
Conversely:
- A unison (the same pitch) is 1 as a generic interval.
- Pairs that skip one letter name (like C to E) form a third.
- Pairs that skip two letter names (C to F) form a fourth, and so on up the scale.
Thus, for adjacent pitches, the generic interval is a second. 
If the assessment expects other values, those would correspond to non-adjacent pitch pairs (third, fourth, fifth, etc.), which are not the generic interval for adjacent pitches.

Identify the generic interval between each pair of pitches.

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