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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.

“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.

Dead Flowers by The Rolling Stones is a classic track that exhibits some very traditional aspects of popular music and blues-based rock. The song is in D major and follows a fairly standard chord progression, using only three chords (D, A, and G), which make up four-measure phrases that are repeated throughout this part of the song.

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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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“Riptide,” by Vance Joy has a classic, highly repetitive chord progression that creates the folk/pop character of the song. It is written in the key of C Major and uses the simplified I-IV-vi progression, which is also widely used in pop music. In addition, it has a common modulated transition via V chord (G) to the vi chord (Am). There are no borrowed chords in this progression. This repetitive structure can be appealing due to its simplicity and familiarity.

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Portishead – Glory Box – Verse 1

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Chord Progression

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

Chord Progression Analysis

“`
Dm (‘i’)
Dm/C (‘i with VII in bass’)
Bm7b5 (‘vi half-diminished 7’)
Bbmaj7 (‘VII Seventh Major’)
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Similar Chord Progressions

A similar chord progression can be found in Radiohead’s “Paranoid Android” where the verse progression is Cm, Cm/B, Bm7b5, Bb7. They share similar elements including the mixed usage of major 7, diminished 5 and chromatic scale.

An exact track with this same progression is unlikely due to the rather unique nature of the progression, but songs in the same genre may share a similar mood. You will find many songs with similar vibes in the trip-hop genre, for example Massive Attack’s “Teardrop”.

Musical Analysis

Starting with a Dm chord, the song immediately gives a minor key atmosphere. The use of the Dm/C transition chord adds more tension, leading into the Bm7b5 which is a half-diminished chord and further adds to the tension and dark coloring of the piece. Lastly, the Bbmaj7 seems like a satisfying resolution after the tension built up but being a major chord, it adds a slightly bitter-sweet touch.

Overall Analysis

“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.

Style Analysis

“Glory Box”, like many trip-hop songs from the 90s, uses chromaticism and a minor key to elicit a melancholic mood, and combines this with sampled beats and electronica influences to create a darker sound. The use of minor and diminished chords, dominant sevenths and transitions demonstrate the jazz and blues elements often found in the genre.

Chords in the Verse 1 section of Glory Box by Portishead are:

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