Harmony analysis
passing tone (PT): a non-chord tone between two chord tones a third apart
neighbor tone (NT): a non-chord tone a step above or below the same chord tone on either side of it
changing notes (CN): the upper neighbor followed by the lower neighbor with the same chord tone on either side
accented neighbor (ANT): a neighbor tone taking place on the strong beat or strong part of the beat
incomplete neighbor (IN): a non-chord tone a step away, on the left of the chord tone and approached by leap
échappée (ech): a non-chord tone a step away, on the right of the chord tone and left by leap