Answer: They are chords that have one or more notes from the diatonic scale altered by a half step. Used tastefully they add tension and drama
Explanation:
Hi, an altered chord is a chord that has one or more notes from the diatonic scale altered by a half step.
The alteration can be raising the note by a half step or lowering it by a half step.
These types of chords can be used tastefully, adding tension or drama to the progression of chords, or part of a song.
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