Take a piano for example. If you hit a single key, that is a note. If you hit a combination of keys, it can usually be classified as a chord of some sort. Chords are composed of many notes stacked up. They can be very dissonant sometimes. Common chords in basic pieces include I, V, IV, V^7, I64, II65.
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In music theory, notes are single sounds played one at a time, while chords are multiple notes played together simultaneously to create harmony.
Guitar chords are a combination of multiple notes played together, creating a harmonious sound. Notes, on the other hand, refer to individual pitches or tones that make up a chord or melody.
The main difference between chords in major and minor keys is the quality of the chords. In major keys, chords tend to sound brighter and more stable, while in minor keys, chords often sound darker and more melancholic. This difference is primarily due to the intervals between the notes in each chord.
The main difference between minor and major chords in music theory is the arrangement of intervals between the notes. Major chords have a root note, a major third, and a perfect fifth, creating a bright and happy sound. Minor chords have a root note, a minor third, and a perfect fifth, creating a more somber or melancholic sound.
Major chords are typically perceived as bright, happy, and stable, while minor chords are often seen as sad, dark, or melancholic. The difference lies in the intervals between the notes that make up the chord, specifically the third interval. In major chords, the third interval is a major third, while in minor chords, the third interval is a minor third. This difference in intervals gives major and minor chords their distinct emotional qualities.