Changing tone
Encyclopedia
In music
Music
Music is an art form whose medium is sound and silence. Its common elements are pitch , rhythm , dynamics, and the sonic qualities of timbre and texture...

, changing tones (also called double neighboring tones and neighbor group) consists of two consecutive non-chord tones. The first moves in one direction by a step from a chord
Chord (music)
A chord in music is any harmonic set of two–three or more notes that is heard as if sounding simultaneously. These need not actually be played together: arpeggios and broken chords may for many practical and theoretical purposes be understood as chords...

 tone, then skips by a third in the opposite direction to another non-chord tone, and then finally resolves back to the original chord tone. Changing tones appear to resemble two consecutive neighbor tones; an upper neighbor and a lower neighbor with the chord tone missing from the middle. The changing tone functions as a way to decorate
Ornament (music)
In music, ornaments or embellishments are musical flourishes that are not necessary to carry the overall line of the melody , but serve instead to decorate or "ornament" that line. Many ornaments are performed as "fast notes" around a central note...

, or embellish
Ornament (music)
In music, ornaments or embellishments are musical flourishes that are not necessary to carry the overall line of the melody , but serve instead to decorate or "ornament" that line. Many ornaments are performed as "fast notes" around a central note...

, a chord tone and are also used to provide rhythmic interest between common tones.
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