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Related Music Theory Alchemy

The song “3 Libras Acoustic Live” by A Perfect Circle oscillates between an A major and a C# minor structure, with a D major introduced at the end of the progression. The dominant chords are A (represented as Asus2) and C# (represented as C#m). The final D chord can be seen as a modulation, adding a somewhat unexpected resolution that doesn’t adhere to the traditional rules of tonic-dominant resolution in either major or minor keys.

The song “The Outsider” by A Perfect Circle has a main key signature of E major, as indicated by the repeated occurrences of the chords B, A, and E. The overall structure is tonal, using chords common in Western music. Some elements of modality are observable though, with the use of the C chord, which in traditional music theory would be considered a borrowed chord from the parallel E minor scale. A sense of tension and release is created through the use of these non-diatonic chords, which ultimately helps to maintain the listener’s interest.

“Idioteque” by Radiohead is a song with an alternative rock/electronic style, featuring an unusual chord progression that effectively creates a sense of tension and instability while still maintaining a familiar and consonant tonality. This can be attributed to the band’s creative use of borrowed chords and harmonic movement.

“A Hard Day’s Night” by The Beatles, despite seeming to have a simple structure, is quite unique in its musical composition. The progression varies from standard rock, pop, and folk structure by integrating unique transitions and slightly unconventional chord choices.

Verse

The song “Closer” by Nine Inch Nails is a dark and provocative piece built upon a relentless, driving chord progression and sinuous melodies. The downbeat feel and chromaticism contribute to the brooding, unsettling mood of the song, which is a hallmark of the industrial rock genre. The piece is in the key of B minor.

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’]