What are passing tones in music?
A passing tone (PT) or passing note is a nonchord tone prepared by a chord tone a step above or below it and resolved by continuing in the same direction stepwise to the next chord tone (which is either part of the same chord or of the next chord in the harmonic progression).
What are chromatic passing tones?
Chromatic Passing Tone. A chromatic passing tone fills the interval between two chord tones a major second apart and occurs in a weak rhythmic position. Cross Relation occurs when a chromatically altered note in one voice is next to the same diatonic scale degree in a different voice.