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Related Music Theory Alchemy

“Glory Box” by Portishead is a Trip Hop masterpiece which blends elements of blues, rock, soul, and electronic music together in an innovative and influential way. The song’s chord progression, as illustrated by the verse, is D minor, D minor with C in the bass (notated as Dm/C), B minor 7 flat 5, and B flat major 7. This particular chord progression gives an overall melancholy and haunting feeling throughout the song and sets the tone for the track.

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.

“I Sat By The Ocean” by Queens of The Stone Age is written in E Major key.

“Goodbye Blue Sky” is a song by Pink Floyd from their 1979 album, “The Wall.” It is known for its haunting, ethereal quality, achieved through the use of predominantly minor chords, lush harmonies, and a slow, atmospheric tempo. The song’s lyrics and melancholic mood reflect feelings of loss and desolation.

“Creep” by Radiohead is an alternative rock song in the key of G major, with a somewhat melancholic tone. The chord progression used is iconic, and it heavily relies on borrowed chords to create tension and resolution in the harmony. This use of chords creates a distinct sound that has become synonymous with the song.

Portishead – Glory Box – Chorus

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Chord Progression

[‘Dm’, ‘Dm/C’, ‘Bm7b5’, ‘Bbmaj7’, ‘Dm’, ‘Dm/C’, ‘Bm7b5’, ‘Bbmaj7’, ‘Dm’, ‘Dm/C’, ‘Bm7b5’, ‘Bbmaj7’, ‘Dm’]

Chord Progression Analysis

“`
Dm (‘i’)
Dm/C (‘i with VII in the bass’)
Bm7b5 (‘vi half-diminished’)
Bbmaj7 (‘♭VI Major 7’)
Dm (‘i’)
Dm/C (‘i with VII in the bass’)
Bm7b5 (‘vi half-diminished’)
Bbmaj7 (‘♭VI Major 7’)
Dm (‘i’)
Dm/C (‘i with VII in the bass’)
Bm7b5 (‘vi half-diminished’)
Bbmaj7 (‘♭VI Major 7’)
Dm (‘i’)
“`

Similar Chord Progressions

1. Radiohead’s “Exit Music (For A Film)” also utilizes a minor to major seventh movement, though in a different key:
“`
Am (‘i’)
E (‘V’)
G (‘♭VII’)
Dmaj7 (‘IVmaj7’)
“`

2. Billie Eilish’s “when the party’s over” uses a similar pattern to start, moving from minor to half-diminished:
“`
Fmaj7 (‘I’)
Fm7 (‘i’)
G7 (‘V’)
Fmaj7 (‘IV’)
“`

Musical Analysis

This progression is quite intriguing, utilizing a mixture of chord types – minor, half-diminished, and major seventh – that adds considerable depth to the piece. This progression does not follow a typical pop/rock pattern but rather leans into Portishead’s characteristic trippy, brooding style. The chord transitions smoothly thanks to common tones and stepwise movement in the bass.

Overall Analysis

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.

Style Analysis

Portishead is known for their unique, cinematic blend of styles known as trip-hop, which marries elements of jazz, rock, hip-hop, and electronic music. The unusual chord progression in “Glory Box” helps create the moody, atmospheric sound that defines this song and much of their work. The progression’s focus on dark, minor chords and half-diminished chords highlights their jazz influences, while the bass movement underscores the rhythmic drive found in hip-hop and electronic music.

Chords in the Chorus section of Glory Box by Portishead are:

[‘Dm’, ‘Dm/C’, ‘Bm7b5’, ‘Bbmaj7’, ‘Dm’, ‘Dm/C’, ‘Bm7b5’, ‘Bbmaj7’, ‘Dm’, ‘Dm/C’, ‘Bm7b5’, ‘Bbmaj7’, ‘Dm’]