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I have a song that I am using Roman numeral analysis for a song I have written. The first part based on D minor.

The minor progression looks like this:

I__ Isus __ VII
Dm Dmsus CMajor

However in the second part of the song I have stuck to the same scale but it sounds more like F Major. Should I still stick to the Jazz notation based of of Dm as the root note?

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2 Answers 2

up vote 1 down vote accepted

Difficult to say. I'd be tempted to keep it all written around the original root useless there is some obvious modulation going on (even if they are closely related). One thing I would consider is writing it out as major and looking at it that way. The notes in a Dsus (it can't be a Dmsus because we remove the 3rd.) are D G A which could imply a G9 on a d bass (notated as D/G9). And if you viewed it that way it'd be a ii - V - I in the key of C. A jazzier way of looking at it! Another reminder is that when using roman neumarals we use lower case for minor chords and upper for majors. This helps us keep it clear which notes are where and what angle you're coming from with the analysis. Last couple of points is that jazz uses extended chords by default and it's not typical to use just triads (it does happen though)! Try it with 7ths & 9ths and see what happens. Lastly analysis is odd there are loads of ways to do it. You just have to justify your perspective.

Hope this helps,

Cai Martlew

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cool thanks Cai, theres enough meat in your reply to keep my thinking for a week or so :) –  Nikos Apr 2 '13 at 10:57
1  
G9 on a D bass=G9/D –  Tim Apr 2 '13 at 16:39

Base all of it on the F key signature.

VIm VImsus V

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