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A non-chord tone is a note that is played while a chord is sounding but is not part of that chord’s basic structure. Non-chord tones create temporary tension that usually resolves to a chord tone.
What is a non-chord tone?
Non-chord tones are notes that add movement and expression to a melody. Although they do not belong to the underlying chord, they make the music more interesting by creating a brief sense of tension before resolving to a more stable note.
Common types of non-chord tones include passing tones, neighbor tones, suspensions and anticipations. Each has its own musical purpose, but they all add colour and motion to the harmony.
How are non-chord tones used in piano playing?
Non-chord tones are widely used in melody playing, improvisation and accompaniment. They help transform simple chord progressions into more expressive and musical performances.
A common example is a sus4 chord, where the fourth temporarily replaces the third. The fourth creates tension that naturally resolves back to the third, producing one of the most familiar sounds in pop, rock and contemporary piano music.