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Chord Calculator Music Theory

Chord Formula:

\[ \text{Major Triad} = \text{Root} + \text{Major Third (4 semitones)} + \text{Perfect Fifth (7 semitones)} \]

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1. What is a Chord?

A chord is a harmonic combination of three or more notes played simultaneously. The most basic chords are triads, which consist of a root note, a third, and a fifth.

2. How Does the Calculator Work?

The calculator uses standard chord formulas:

\[ \text{Major} = \text{Root} + 4 + 7 \] \[ \text{Minor} = \text{Root} + 3 + 7 \] \[ \text{Diminished} = \text{Root} + 3 + 6 \] \[ \text{Augmented} = \text{Root} + 4 + 8 \]

Where numbers represent semitone intervals from the root note.

3. Importance of Chord Theory

Details: Understanding chord construction is fundamental to music composition, improvisation, and analysis across all genres.

4. Using the Calculator

Tips: Select a root note and chord type to see the component notes. The calculator handles all standard triad types.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between major and minor chords?
A: Major chords use a major third (4 semitones) while minor chords use a minor third (3 semitones).

Q2: Why are there two names for some notes (like C#/Db)?
A: These are enharmonic equivalents - same pitch but different names depending on musical context.

Q3: Can I calculate seventh chords with this?
A: This calculator currently handles triads only. Seventh chords would require an additional interval.

Q4: How are diminished chords used in music?
A: Diminished chords create tension and are often used as passing chords or in dominant function.

Q5: What makes an augmented chord unique?
A: Augmented chords have an raised fifth (8 semitones), creating a distinctive, unresolved sound.

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