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Thread: Roman Numeral Chords

  1. #1
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    Roman Numeral Chords

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    So I'm trying to learn some Music Theory.
    Let's start with the scale of C Major: C D E F G A B C

    The seven chords in that scale are:
    CEG I
    DFA ii
    EGB iii
    FAC IV
    GBD V
    ACE vi
    BDF vii

    I've learned that uppercase means Major (perfect thirds) and lower means Minor (flatted thirds).

    However, will it always be: (I, ii, iii, IV, V, vi, vii) for every major scale or does it change?

    I'm trying to learn all of this so I can get better at making chord progressions. Once, I understand all of this I will progress to learning the 7th chords.

  2. #2
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    The Roman numerals are invariant: i.e. they stay the same regardless of key - that is why they are used, to show a progressions or sequence of chords in any key. Choosing a specific key you can then work out the specific chords for that key, e.g. F# major: F#G#A#BC#D#E#F#

    F#A#C# I
    G#BD# ii
    A#C#E# iii
    BD#F# IV
    C#E#G# V
    D#F#A# vi
    E#G#B vii
    Last edited by bandcoach; 02-23-2011 at 07:02 PM.
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    so its the same for all Major scales

    in Minor scales the upper and lower cases are changed a bit, right?

  4. #4
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    Yes

    Natural minor
    i iib5 bIII iv v bVI bVII

    Harmonic minor
    i iib5 bIII#5 iv V bVI viib5

    Melodic minor
    i ii bIII#5 IV V vib5 viib5

    b5 indicates that the chord also has a b5
    #5 indicates that the chord also has a #5

    go here, my sig link, for more on each of these key areas

    http://www.bandcoach.org
    Last edited by bandcoach; 12-02-2013 at 09:57 PM.
    BC: I've been making music since Before Computers were common in music
    Abnormal thoughts and insights available here
    Tutorials and other ideas available here
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    bandcoach, youre a legend around these parts...lol. im going to need a bigger hard drive to fit all of the useful information you post in fp

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    Your all over it Bandcoach. good job
    "Play music, love music, write music,...... Don't forget the roots"
    -Torridity

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