Diminished Chord

Definition

A diminished chord is a three-note chord that consists of a root note, a minor third, and a diminished fifth, creating a unique and tense sound. The diminished quality arises from the interval structure, which results in a symmetrical sound due to the stacking of minor thirds. This chord is often used in harmonic progressions to create tension that resolves into more stable chords.

5 Must Know Facts For Your Next Test

1. Diminished chords can be represented in multiple ways, including diminished triads (3-note) and diminished seventh chords (4-note).
2. In harmonic analysis, diminished chords are often notated with the symbol 'dim' or a small circle (°) to indicate their diminished quality.
3. Diminished chords function as dominant chords that lead to resolutions in tonal music, particularly in classical and jazz styles.
4. The unique symmetry of diminished chords allows for transposition; for instance, a C diminished chord is enharmonically equivalent to a B# diminished chord.
5. These chords can create strong emotional impacts, often used to enhance tension in film scores or dramatic compositions.

Review Questions

• How does the structure of a diminished chord contribute to its function in harmonic progressions?
  • The structure of a diminished chord, which includes a root note, minor third, and diminished fifth, creates dissonance that naturally seeks resolution. This tension makes diminished chords effective as leading chords that propel the music toward more stable resolutions. Their unique sound and placement within harmonic progressions can heighten emotional intensity and guide listeners through musical narratives.
• Discuss how diminished chords can be notated in chord symbol notation and what this notation communicates about the chord's quality.
  • In chord symbol notation, diminished chords are typically notated using 'dim' or with a small circle (°), indicating their diminished quality. This notation informs musicians about the specific intervals present in the chord and prepares them for its unique sound. Understanding these symbols helps performers interpret harmonic functions accurately during improvisation or when reading sheet music.
• Evaluate the role of diminished chords in various musical genres and how their emotional qualities affect listener perception.
  • Diminished chords play crucial roles across many musical genres, particularly in classical music for creating tension and drama. In jazz and popular music, they are often used for color and complexity within harmonic progressions. The emotional qualities associated with diminished chords can evoke feelings of suspense or longing in listeners, making them powerful tools for composers seeking to manipulate audience reactions throughout their works.

Related terms

Minor Chord: A minor chord is a three-note chord made up of a root note, a minor third, and a perfect fifth, creating a somber or melancholic sound.

Augmented Chord: An augmented chord consists of a root note, a major third, and an augmented fifth, giving it a bright and unresolved character that contrasts with diminished chords.

Leading Tone: The leading tone is the seventh degree of the scale that is one half step below the tonic; it often resolves to the tonic and is commonly found in the context of diminished chords.