Chord — Music Definition

Three or more notes sounded together. The most basic chord is the triad: root, third, and fifth. Major triads sound bright; minor triads sound dark; diminished triads sound tense.

Etymology & Historical Origin

From the Middle English cord, a shortening of accord — notes that are in agreement with each other.

Why It Matters for Musicians

Understanding chord is essential for reading and writing music accurately. Whether you are a beginner learning to read notation or an experienced composer, knowing how this musical element works improves your musicianship.

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