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Related Music Theory Alchemy

“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.

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.

“House of the Rising Sun” by The Animals features a repeating chord progression in a minor key that gives the song a haunting, melancholic feel. This progression moves through the circle of fifths, features borrowed chords from its relative major key and has a strong resolution from the dominant to the tonic.

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The given chord progression is from the verse of Beck’s song “Morning.” The progression is in the key of E Major and follows a cyclical pattern throughout the verse.

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The chord progression in “Breathe” by Pink Floyd is relatively simple, mostly alternating between two chords – Em and A7. However, this simplicity is quite effective in creating a relaxed, dreamy feel which is consistent with the overall theme of the song. This is a characteristic feature of Pink Floyd’s music, using simple chords and progressions to create a powerful emotional impact.

Portishead – Its A Fire – Verse 1

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Chord Progression

[‘Gsus4’, ‘G’, ‘Bm’, ‘D’, ‘F’, ‘Gsus4’, ‘G’, ‘Em’, ‘G’, ‘Em’, ‘G’, ‘F’, ‘E’]

Chord Progression Analysis

Chord Progression: [‘Gsus4’, ‘G’, ‘Bm’, ‘D’, ‘F’, ‘Gsus4’, ‘G’, ‘Em’, ‘G’, ‘Em’, ‘G’, ‘F’, ‘E’]

Translating chords to Roman Numerals (Assuming G Major as our key):

Gsus4 (Isus4)
G (I)
Bm (iii)
D (V)
F (♭VII / a borrowed chord from G minor)
Gsus4 (Isus4)
G (I)
Em (vi)
G (I)
Em (vi)
G (I)
F (♭VII / a borrowed chord from G minor)
E (vi / a borrowed chord from G minor)

“`
Full Chord name (‘Roman Numeral)
Gsus4 (Isus4)
G (I)
Bm (iii)
D (V)
F (♭VII)
Gsus4 (Isus4)
G (I)
Em (vi)
G (I)
Em (vi)
G (I)
F (♭VII)
E (VII)
“`

Similar Chord Progressions

The chromaticism and complex harmonic structures in “It’s A Fire” bear similarities to those found in many works of Radiohead, especially “Paranoid Android,” and in some of the darker pieces of David Bowie such as “Life on Mars.”

Radiohead – Paranoid Android:
[‘Em’, ‘G’, ‘B’, ‘D’, ‘C’, ‘F#’, ‘Em’, ‘G’, ‘Am’, ‘Em’, ‘G’, ‘Am’, ‘C’, ‘B’]

David Bowie – Life on Mars:
[‘F’, ‘Em’, ‘Dm’, ‘F’, ‘G’, ‘Bb’, ‘Am’, ‘Bb’, ‘Dm’, ‘Em’, ‘A’, ‘Dm’, ‘Em’, ‘F’].

Note: For the purpose of this analysis, assume that these songs are in the keys of E minor and F major, respectively.

Musical Analysis

The use of suspended chords and borrowed chords in this song suggests a sense of emotional ambiguity, shifting between tension and release. Additionally, the resolution from Gsus4 to G creates a tension-release pattern that gives a color characteristic of Portishead’s style.

Overall Analysis

The song “It’s A Fire” by Portishead features complex harmonic structures, distinguished by a fusion of pop, rock, and elements of jazz harmonies. The band, known for their trip-hop style, employ chromatically richer harmony and non-diatonic chord progressions in this piece. The chord progression of ‘It’s A Fire’ is consistent with this approach as we see the frequent use of suspended and minor chords alongside major ones, which creates a sense of unresolved tension. Borrowed chords, usually taken from the parallel minor or major key, are also used frequently to add stylistic color to the harmony.

Style Analysis

Portishead is known for their unique fusion of electronic music, hip hop beats, and jazz elements, a style often referred to as trip hop. Their use of complex chord structures, borrowed chords, and non-diatonic harmonies is consistent with the genre’s mood-setting characteristics, offering an intricate texture and emotional depth that’s distinguishing of their style.

Chords in the Verse 1 section of Its A Fire by Portishead are:

[‘Gsus4’, ‘G’, ‘Bm’, ‘D’, ‘F’, ‘Gsus4’, ‘G’, ‘Em’, ‘G’, ‘Em’, ‘G’, ‘F’, ‘E’]