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“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.

“Roads” by Portishead is set in the key of Am, also known as A minor. In the verse, there is an interesting use of the flat major 7 (Fmaj7) chord. This chord is not typically found within the natural minor key but is considered a borrowed chord from the A major key. Thus, this use of said borrowed chord and its resolution to the E7 dominants gives the song a unique feel, contributing to its mesmerizing and emotive ambience. Portishead tends to blend the use of A minor and A Dorian modality in their music, especially apparent in this composition.

The song in question, “Endlessly” by Muse, is a reflective and emotional piece, featuring a fairly unique chord progression. The verse’s chord progression is not commonly heard in popular music, giving it a distinct sound that sets it apart from other songs. The use of suspended chords, the shift from Am to Bm, and the resolution to the E7 chord give the piece a floating, ethereal feel.

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Feels Like We Only Go Backwards by Tame Impala uses very interesting chord progressions that convey a feeling of constant motion. The song is primarily in the key of F Major, as revealed by the majority of the chords (F, C, Gm). However, the chord progression in the verse introduces Dm and Cmaj7/G, showing some clever use of modal interchange, also known as borrowed chords.

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The Wind Cries Mary by Jimi Hendrix is a classic rock ballad written in the key of F major, based around a somewhat simple, yet effective, chord progression. There are a few borrowed chords and modulations that add to the harmonic complexity and characteristic guitar work by Hendrix. The song’s structure consists of a verse, followed by a brief pre-chorus, and a chorus before repeating.

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’)
“`

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’]