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Related Music Theory Alchemy

“3 Libras Acoustic Live” by A Perfect Circle revolves around a rock ballad style with an alternative rock genre. It features distinctive chord progressions and some borrowing from outside of the primary key. The harmonic progression in the chorus is relatively simple but contributes to the melancholic and introspective atmosphere of the song.

The progression from B to A to E is a common progression in pop and rock music. This progression utilizes diatonic and non-diatonic chords, meaning that the chords all belong to the same key and it suggests the use of borrowed chords. A Perfect Circle tends to use a lot of downward motion in their chord progressions, moving from higher to lower pitches, which can give their music a distinct ‘heavy’ feel.

“Something I Can Never Have” by Nine Inch Nails features a haunting and melancholic chord progression typical of the alternative rock and industrial rock genres. The tonality of the piece centers around the key of C major, with occasional borrowed chords and chromaticism adding emotional color and tension. The verse and chorus sections both feature a similar pattern of repeating chords as well as a descending bass line connecting the chords, giving the piece cohesion.

The chord progression in Radiohead’s “You And Whose Army” showcases the band’s unique style of blending chord progressions from different key centers, as well as their tendency to use borrowed chords. The progression consists largely of diatonic chords from the key of C# minor, but also features a few borrowed chords from D# minor and the parallel major key, C# Major.

The Verse of “Us and Them” by Pink Floyd showcases a unique and non-diatonic chord progression that focuses on D mixolydian mode with added sus2 chords and an augmented chord. It deviates from traditional harmony patterns and creates a spacious, floating feel. The chords occur in a consistent pattern and are mostly slash chords with the constant presence of the D note in the bass, which further strengthens the D tonality.

A Perfect Circle – 3 Libras Acoustic Live – Verse

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Chord Progression

[‘Asus2’, ‘Asus2’, ‘Asus2’, ‘Asus2’, ‘C#m’, ‘C#m’, ‘C#m’, ‘C#m’, ‘Asus2’, ‘Asus2’, ‘Asus2’, ‘Asus2’, ‘C#m’, ‘C#m’, ‘D’, ‘D’]

Chord Progression Analysis

The chord progression can be segmented into two main parts:

1. Asus2 – Asus2 – Asus2 – Asus2 – C#m – C#m – C#m – C#m
2. Asus2 – Asus2 – Asus2 – Asus2 – C#m – C#m – D – D

And their respective Roman numerals:

1. Asus2 (IVsus2) – Asus2 (IVsus2) – Asus2 (IVsus2) – Asus2 (IVsus2) – C#m (vi) – C#m (vi) – C#m (vi) – C#m (vi)
2. Asus2 (IVsus2) – Asus2 (IVsus2) – Asus2 (IVsus2) – Asus2 (IVsus2) – C#m (vi) – C#m (vi) – D (♭VII) – D (♭VII)

Borrowed chords:
“`
C#m (vi)
D (♭VII)
“`

Similar Chord Progressions

One notable song with a similar chord progression is “Black” by Pearl Jam (in the key of E major):

Verse:
E – E – Aadd9 – Aadd9 – C#m – C#m – D – D

Chord/Roman numeral representation:
E (I) – E (I) – Aadd9 (IVadd9) – Aadd9 (IVadd9) – C#m (vi) – C#m (vi) – D (♭VII) – D (♭VII)

As with “3 Libras,” “Black” uses suspended and minor chords in its verse to create a dark, melancholic tone, and borrows the ♭VII from the parallel minor.

Musical Analysis

The extensive use of the Asus2 chord creates a sense of movement and unresolved tension in the piece. The frequent repetition of these specific chords contributes to that sense of movement and anticipation, which is then furthered by the unexpected turns to the C# minor and D major chords – borrowed chords from the parallel minor key.

Overall Analysis

The progression starts on the suspended II chord of the key, which anticipates resolution either to the tonic (E major) or the supertonic (F# minor). However, it instead moves to the dominant minor (C# minor), suggesting a borrowed chord from the parallel minor (E minor). The D major chord which concludes the progression is a borrowed II from E minor as well.

Style Analysis

“3 Libras” is characteristic of the alternative rock/post-grunge style of A Perfect Circle, particularly their exploration of darker harmonies and suspended tonality. The song’s style also incorporates elements of the progressive rock genre, demonstrated by its utilization of non-diatonic harmony and unusual chord progressions.

Chords in the Verse section of 3 Libras Acoustic Live by A Perfect Circle are:

[‘Asus2’, ‘Asus2’, ‘Asus2’, ‘Asus2’, ‘C#m’, ‘C#m’, ‘C#m’, ‘C#m’, ‘Asus2’, ‘Asus2’, ‘Asus2’, ‘Asus2’, ‘C#m’, ‘C#m’, ‘D’, ‘D’]