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.
“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.
“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.
“Kiss” by Prince is a well-loved song known for its catchy tune and funky, upbeat style. The song is composed in the key of A major. However, it lacks typical diatonic major harmonies because Prince used power chords (fifth chords) instead of full major or minor chords. The progression is largely built around the ‘A5’ and ‘D5’ power chords, with the occasional ‘E5’ and ‘E9sus4’ worked in to add some variation.
The song “The Outsider” by A Perfect Circle frequently uses the chord progression [‘B’, ‘B’, ‘A’, ‘E’] in the key of E major. When viewing the chords through the lens of E major we can identify the chord progression as ii, ii, V, I. Furthermore, It shows some interesting harmonic decisions throughout. Most notably, the band makes use of borrowed chords which are chords taken from the parallel minor (in this case E minor). Here, the borrowed chords include A major and C major.
“The Rip” by Portishead is a classic example of the Trip-hop genre. It features simple, yet effective harmonic progressions that offer a melancholic tone which is widely utilized in this genre. The distinctiveness of this particular chord progression lies on its subtle shifting between minor and major tonalities, as well as its use of borrowed chords.
Verse 1
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