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Related Music Theory Alchemy

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.

“Glory Box” by Portishead from the album Dummy (1994) presents a haunting and somewhat melancholy ambience commonly found in their trademark trip-hop style. This song, in particular, draws from a palette of jazz-influenced harmony. The chords used, their extensions, and inversions, conjure complexity beyond basic triadic harmony. The chord progression listed appears to be in the key of D minor and employs common jazz techniques like ii-V-I progressions and usage of the half-diminished chord.

“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 chord progression in “Closer” by Nine Inch Nails is primarily centered around the Cm7 chord throughout the verses and pre-choruses, with the chorus briefly moving to the F major chord before returning back to Cm7. The song is in the key of C minor, and the chords used are mostly diatonic to the key, creating a dark and somewhat haunting atmosphere. The progression is simplistic but effective, establishing a strong sense of forward motion and tension that is fitting for the industrial rock style of the song.

“Wild Horses” by the Rolling Stones is a song in the key of G Major with a chord progression marked by the use of common chords and a few borrowed chords from other keys. The usage of minor and major chords conjures a variety of emotions synonymous with the mood of the song. The repetitive nature of the sequence creates a cyclical feeling that gives a strong sense of the song’s emotional journey.

Roads

Song

All Analyses by Song

“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 “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.