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Issue No.17

Last updated on 17 May, 2020

<BLOGoZON No.16|Back to BLOGoZON list|BLOGoZON No.18>


For BLOGoZON No.16 the verse to the classic song
SWEET CHILD O MINE by Guns n Roses was analysed using the SONG SEEDS statistical mathematics approach.

To further illustrate the potential of the SONG SEEDS method as both an analytical and compositional aid the same approach will now be taken with the chorus of LAYLA by Eric Clapton.

The chorus to LAYLA is based around the harmonized D natural minor scale.
A table showing the SCALE CHORDS for the key of D minor follows :-

Clapton and Martin

D minor scale chords

The chords used for the chorus of LAYLA are Dm (Im), Bb (bVI) and C (bVII).

These chords have been highlighted on the D minor scale chord chart below:-

Layla - D minor scale chords

The chord chart for the chorus of LAYLA is shown along with the corresponding roman numerals:-

Layla chord chart

The verse chord sequence is a THREE CHORD PROGRESSION with the first chord repeated at the end to even out the number of bars (measures) used - this was also the case with SWEET CHILD O' MINE.

The total number of three chord progressions that any minor key can generate is calculated as follows:-

Calculation This calculation means that there are a total of 35 chords progressions using 3 chords, where each progression can be rearranged 6 times giving a grand total of 210 variations.

The 35 chord progressions for the key of D natural minor are shown in the table that follows with the chorus of LAYLA by Eric Clapton highlighted in green:-

D natural minor 3 chord progressions

Chord progression 15 represents the chords used for the song in NUMERICAL ORDER - these can be rearranged a total of six times with one of the combinations being the order used for the chorus of the song itself.

The tables below show all the combinations of chord progression number 12 in all 15 minor keys.
This time the actual chord sequnce used for the chorus of LAYLA by Eric Clapton is highlighted in green.

Progression 15
Layla - Progression 15 To the left an enlargement of all the combinations of
Dm (Im), Bb (bVI) and C (bVII) is shown with the particular variation used for the chorus of LAYLA by Eric Clapton again highlighted in green.

The information detailed above is just a small part of Zon Brookes' Conchordance

Songseeds - Three Chord Tricks - Conchordance

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17 May, 2020

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