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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 song “Roads” by Portishead features a haunting yet melodic chord progression reminiscent of the minor key-oriented pop/rock of the 90’s. It combines chords from the key of A minor along with a borrowed chord from the parallel major key to create a moody, atmospheric soundscape typical of the trip-hop genre.

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Generally, the chord progression follows the conventional guidelines of western music, utilizing strong resolution from B (V) to E (I). However, it also employs some harmony techniques very typical in pop/rock music, such as the use of slash chords and chord inversions (A/E, F#m7/E) to add harmonic interest. In addition, it incorporates chromatic mediant relationships (E to C#m) to create a sense of progression.

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The given chord progression of Weezer’s “California Kids” features a verse in the key of C major. The progression primarily uses diatonic chords, with a more unconventional movement that features the use of a C/B chord, or I chord with the bass note played in the seventh degree (leads to tonicization of the vi chord). The progression also features a common IV-V movement that is a characteristic of pop and rock music.

“Hey Joe” by Jimi Hendrix is a classic rock song featuring a cyclic chord progression in the key of E major. The song is well-known for its distinctive and temporarily ambiguous harmonic structure, bluesy vocal melodies, and Jimi Hendrix’s influential guitar playing. The verse chord progression constantly circles back on itself, creating a hypnotic effect.

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’]