Articles
Minor Seventh Chord
The minor seventh chord is a versatile four-note harmony with a minor triad plus minor seventh, creating smooth, contemplative sounds essential in jazz and contemporary music.
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ii-V-I Progression
The ii-V-I progression is the most fundamental chord sequence in jazz and Western music, creating strong tonal movement through the second, fifth, and first scale degrees.
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Perfect Fourth
The perfect fourth is a stable consonant interval of five semitones, fundamental to harmony from medieval music to modern rock, creating openness and strength.
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12-Bar Blues
The 12-bar blues is a fundamental chord progression using I-IV-V chords over twelve measures, forming the backbone of blues music and influencing countless genres.
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Dominant Seventh Chord
The dominant seventh chord is a four-note chord built on the fifth scale degree, creating harmonic tension that drives progressions and establishes tonality in all musical styles.
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Major Seventh Chord
The major seventh chord is a sophisticated four-note harmony with a major triad plus major seventh, creating dreamy, floating qualities essential in jazz and contemporary music.
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Power Chord
The power chord is a fundamental two-note chord consisting of a root and perfect fifth, providing the raw, neutral sound that defines rock, metal, and punk music.
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Major Third
The major third is a bright, consonant interval of four semitones that forms the foundation of major chords and creates joyful, stable harmonic progressions.
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Perfect Fifth
The perfect fifth is the most stable consonant interval spanning seven semitones, forming the foundation of tonal harmony and chord construction in Western music.
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Major Second
The major second is a fundamental interval spanning two semitones, essential for scale construction and melodic movement in Western music.
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Minor Third
The minor third is a fundamental interval of three semitones that forms the basis of minor chords and creates darker, more melancholic musical expressions.
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I-V-vi-IV Progression
The I-V-vi-IV progression is the most popular chord sequence in contemporary music, appearing in countless hit songs with its perfect balance of stability and movement.
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