Altered Chords

Altered chords are chords that modify one or more of their notes, usually the fifth or ninth, by raising or lowering them slightly from their standard pitch. These modifications create tension and a sense of instability, which often resolve smoothly into other chords. They are commonly used in jazz and other expressive music styles to add color and emotional depth. In essence, altered chords introduce subtle pitch changes to enhance musical interest and complexity, making the harmony sound more vibrant and dynamic.