Music Theory Alchemy

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“Sour Times” by Portishead is largely written in the key of C# minor, with elements of modal interchange and chromaticism that contribute to its haunting, dark sound. The song exhibits a remarkable amount of harmonic complexity and non-diatonic harmony, which is a defining characteristic of the trip-hop genre. The piece makes use of intricate inversions and chromatic voice leading, along with a frequent use of sevenths and diminished chords for added tension.

“It’s A Fire” by Portishead is a song characterized by its frequent modulations and use of borrowed chords, making it a considerable complexity in terms of harmony. It features transition from key centers and borrowed chords from other keys, which creates tension and resolution creating the signature moody and intense atmosphere Portishead is known for.

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The song “Jolene” by Dolly Parton sports a simple yet effective chord progression. The entire song is in the key of C major / A minor (they share the same key signature), with a clear preference for the darker minor tones over the light major tones. This song is a great example of the use of simple chord structures and progressions to evoke emotive sensations.

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As this song has a distinct classical rock sound, you’ll see a mixture of major and minor chords. The progression is in the key of E major. The use of seventh chords and suspended chords provides a dense harmonic texture.

“Can You Feel The Love Tonight” is a pop ballad written in the key of G major. The progression makes traditional use of the G major chord scale with a notable exception of a borrowed chord A/C#.

Portishead – Sour Times – Chorus

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Chord Progression

[‘F#m7’, ‘Emaj7’, ‘D#7’, ‘F#m7’, ‘Emaj7’, ‘D#7’, ‘C#m’, ‘D#7’, ‘G#7’]

Chord Progression Analysis

The following is the chord progression analysis for the chorus:

“`
F# minor 7 (ii7),
E Major 7 (I7),
D# Dominant 7 (vii7),
F# minor 7 (ii7),
E Major 7 (I7),
D# Dominant 7 (vii7),
C# minor (vi),
D# Dominant 7 (vii7),
G# Dominant 7 (#V7)
“`

The G# Dominant 7 is a borrowed chord, it is typically absent from the key of E major and thus lends a more complex and unique character to the song’s arrangement.

Similar Chord Progressions

1) “Creep” by Radiohead also employs a similar progression with shifting from a minor 7th to a Major 7th and also features a borrowed Major 7th chord:
“`
G Major (I),
B Major (#III – borrowed chord),
C Major (IV),
C minor (iv – borrowed chord)
“`

2) The Beatles’ “Something” also uses a descending progression with seventh chords:
“`
C Major (I),
C Major 7 (I7),
C7 (I7),
F Major (IV)
“`

3) “Hallelujah” by Leonard Cohen follows a similar progression and includes a Major 7th chord:
“`
C Major (I),
A minor (vi),
C Major (I),
A minor (vi),
F Major (IV),
G Major (V),
C Major (I),
G Major (V)
“`

Musical Analysis

In “Sour Times”, the usage of F# minor 7 to E Major 7 provides a smooth descending progression that introduces an element of resolution to the chorus. The transition from D#7 to F#m7 reintroduces some tension which is then diffused again by returning to the E Major 7, creating a satisfying and distinctive cyclic pattern. The progression concludes with the C#m, D#7, to the borrowed G#7, providing a unique flavour and an unexpected turn to the song.

Overall Analysis

“Sour Times” by Portishead is characterized by dark, brooding sounds and melancholic melodies that gives the song its distinct feel, largely due to the specific chord progression that is used throughout the song. Written in the key of E major, the song makes use of a diverse selection of chords that offers a wider blend of harmonic options to navigate through different moods and tonal landscapes.

Style Analysis

Portishead is known for their unique sound that fuses elements of trip-hop, electronica, and jazz and “Sour Times” is no exception. The song’s unorthodox chord arrangement showcases Portishead’s signature style – a complex arrangement of moods and tones that evoke a sense of drama and melancholy. The usage of seventh chords contributes to its jazzy feel and trip hop’s signature gloomy ambience.

Chords in the Chorus section of Sour Times by Portishead are:

[‘F#m7’, ‘Emaj7’, ‘D#7’, ‘F#m7’, ‘Emaj7’, ‘D#7’, ‘C#m’, ‘D#7’, ‘G#7’]