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Related Music Theory Alchemy

“Glory Box” by Portishead is primarily in the key of D minor, with some moments of modal interchange. The chord progression contains a distinct spice of jazz influence while remaining in the realm of synthesized trip-hop sound characterizing the band’s style.

“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.

“Iris” by the Goo Goo Dolls is well-known for its unique tuning and chords which adds a certain tenderness and emotional depth to the song. The song is in D Major and utilizes a repeated chord progression that is relatively simple but effective.

“Have You Ever Seen The Rain” is a popular song by Creedence Clearwater Revival from the 1971 album “Pendulum”. This song is performed in the key of C major, and uses chords from the diatonic scale. However, it also utilizes borrowed chords and chord inversions to create a bit of colour and novelty.

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“Honky Tonk Women” by the Rolling Stones is a classic rock track steeped in the blues tradition. The song is played in the key of G Major and primarily uses chords G, C, A, and D.

**Chorus

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’]