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“Sour Times” by Portishead is a song with a complex and intriguing chord progression. It blends minor key tonality with modulations and chromaticism to give it a mysterious and brooding atmosphere. The song is primarily in the key of C# minor and features some borrowed chords and inversions that color the overall progression.

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“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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“Little Sister” by Queens of the Stone Age is based in the rock genre, featuring a simple melody with strong rhythmic components, built on a mix of power, suspended and major chords. The use of the C#5 and G#5/D# chords in the verses and the F#sus4-E-G#sus4 repetition in the chorus indicate an overall key signature of F# minor.

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This chord progression is in the key of Am. The work can be seen as a mix of the Western tonal harmony, incorporating the use of inversions alongside nondiatonic chords. Tame Impala employs the elements of neo-psychedelia with unique chord progressions and arrangements. The alteration between two chords creates a revolving feeling, reinforcing the title “alter ego”.

“Hurt” by Nine Inch Nails features a melancholic and introspective chord progression. The song is predominantly in the key of B minor. The verse and outro sections revolve around the Bm, D, and E chords, while the chorus uses a progression of Bm, G, D, A. The use of borrowed chords enriches the harmonic landscape, adding depth to the composition.

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’]