Actual set of pitches

 

Criteria:

 

Whether each tone belongs to the chord

Before chord 1 changes to chord 2, a tone belonging to neither chord is included to bridge the gap

Tone falls on a strong beat?

Yes: Appoggiatura

No: Passing Tone

Special Case: chord 1 = chord 2 ==> A non-chord tone used to bridge the gap between tone 1 and tone 2 of same chord

Special Case: tone 1 = tone 2 ==> A non-chord tone preceded and followed by the same chord tone: Neighboring Tone

 

The pattern of intervals among the tones