“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.
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.
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.
“I Want To Hold Your Hand” by The Beatles is an excellent example of their innovative approach to harmony and chord progression. This song, written in the key of G major, features a common I-V-vi-III progression in the verses. It notably uses borrowed ‘B’ major and ‘B7’ chords from the parallel minor scale.
David Bowie’s song, “Space Oddity,” is typically interpreted as being in the key of C Major. It’s an interesting song harmonically, featuring not just Primary Triads and Secondary Dominants but also uses Borrowed Chords, non-functional harmony, and chromatic chord changes. The kind of harmonic movement might be called Bowie’s deviation from the traditional harmonic patterns, which is part of what gives his music its characteristic ‘alien’ vibe. This progression has a more modal feeling due to the use of borrowed chords and the shifted tonal center.
“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.
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