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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 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.

The chord progression in the verse of “Help!” by The Beatles is quite characteristic of their style, using common chords but in interesting and unusual ways. The verse of “Help!” notably presents a mix of classic pop chord progression (I-vi-ii-V), secondary dominant chords and chromatic progressions. The Beatles often incorporated novel harmonic structures that added depth and complexity to their pop music, as evidenced in this piece.

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“You Can’t Always Get What You Want” by The Rolling Stones is built around major tonality and uses direct and simple progressions. It also features what are known as additive chords (Gadd9) – chords to which notes are added beyond the common triad. The song commences in the key of G Major, indicated by the G, Gadd9, and C chords. These chords progress in an almost continual cyclical pattern across the verses. Here, the dominant chord (D) in the key of G Major is absent, which grants a tonal ambiguity to the song. Interestingly, the song takes a departure into a different key later on which will not be included in this analysis as it pertains to the Verse only.

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Taylor Swift’s “Black Dog” features a verse chord progression that is both simple and evocative, utilizing variations of the tonic chord to create a sense of movement and build tension before resolving into more straightforward chord changes. This kind of progression is characteristic of songs that aim to evoke a contemplative or narrative-driven mood, which is a frequent theme in Swift’s songwriting.

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’]