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Related Music Theory Alchemy

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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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The “Glory Box” by Portishead chorus progression is based in D minor and moves between this primary D minor chord and three other chords: Dm/C, Bm7b5, and Bbmaj7. The Dm/C chord is the same as the D minor, but with a different note in the bass (C). The Bm7b5 is a half-diminished chord. The Bbmaj7 is major seventh chord.

“Hey Joe” is a famous song by Jimi Hendrix, which features a simple yet very effective chord progression throughout its verses. It has a five-chord progression, which is C, G, D, A, and E. This progression creates a strong and recognizable flow, thus contributing to the song’s iconic status.

“A Star Is Born – Shallow” by Misc Soundtrack uses common chords found in pop music and combines them in a fresh way. The progression makes use of diatonic chords and even includes a borrowed chord from the parallel minor key. It showcases a feasible balance of tension and resolution, often transitioning through a variety of chord inversions to add color and depth to the harmonies. The song moves around the circle of fifths, which allows for smooth transitions between keys.

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The progression in the song “The Less I Know The Better” by Tame Impala shows a combination of borrowed chords and modal mixture, with most of the chords belonging to the key of E Major. The verse chords including G# minor, C# minor, B, and E, establish a strong use of modal interchange, borrowed from the parallel minor of E.

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Portishead – Sour Times – Verse 2

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Chord Progression

[‘C#m’, ‘C’, ‘E/B’, ‘E/G#’, ‘C#m’, ‘C’, ‘E/B’, ‘E/G#’, ‘C#m’, ‘C’, ‘E/B’, ‘E/G#’]

Chord Progression Analysis

– C# minor (i)
– C major (bVI)
– E major over B (V/III)
– E major over G# (V/vi)

“`markdown
C# minor – the tonic chord, or ‘home’ chord, in the key of C# minor.
C major – a borrowed chord from the parallel major key (C# major), also known as the ‘Picardy third’.
E major over B, E major over G# – inverted V chords that provide strong resolution back to the tonic, adding interest with different bass notes.
“`

Similar Chord Progressions

A chord progression somewhat similar to this can be found in Radiohead’s “Exit Music (For a Film)”, which also makes use of mode mixture and chromaticism:

– A minor (i)
– G major (bVII)
– E minor over B (v/III)
– C major over G (bIII/VI)

Such unconventional chord progressions can also be found in songs by bands such as Massive Attack and Björk, who are also pioneers of the trip-hop genre.

For example, Massive Attack’s “Teardrop” uses a progression that also features modal interchange and a chromatic descending line:

– F# minor (i)
– F major (bVI)
– D# minor over B (vii/iii)
– A# minor over G# (iv/VI)

These examples show the innovative and intricate blending of elements from jazz, funk, and electronica characteristic of the trip-hop genre.

Musical Analysis

C# minor is the tonic or home chord of this progression. The C major that follows is a borrowed chord from the parallel major key (C# major); this is an example of mode mixture or modal interchange, where chords from a parallel key are used to increase the harmonic interest of a piece.

The E over B and E over G# are inversions of the E major chord, which is the dominant (V) in the key of C# minor. The changing bass note—first B, then G#—creates smooth voice leading and adds harmonic interest.

Overall Analysis

“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.

Style Analysis

“Sour Times” is a prime example of trip-hop, a genre known for its fusion of hip hop, electronica, and jazz. This is reflected in its complex harmonic structure and use of non-diatonic chords. The progression creates a moody, introspective atmosphere often associated with the genre. The chord progression’s dark tone and chromatic elements help to establish the tense, somber mood that is characteristic of Portishead’s music.

Chords in the Verse 2 section of Sour Times by Portishead are:

[‘C#m’, ‘C’, ‘E/B’, ‘E/G#’, ‘C#m’, ‘C’, ‘E/B’, ‘E/G#’, ‘C#m’, ‘C’, ‘E/B’, ‘E/G#’]