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UNPLANNED DOWNTIME: 12th Oct 23:45

Help me with this interval identification

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lincolnbluelincolnblue Frets: 263
in Theory
My theory knowledge is rubbish so I realise this might be basic but I'm getting stuck,

I've come up with a riff in the key of D major which is D, F, C, D

D is the 1 or the root. E is the 2 and F# 3 so would an F major be a flat 3? Then the C, is that a flat 7?

It's just bugging me!
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Comments

  • merlinmerlin Frets: 6199
    edited November 2020
    F natural in the key of D is a minor 3rd. C natural is a minor (flatted) 7th. Talking the notes and intervals. 

    If you're talking about the chords being related to each other, then that's a whole different question. 
    feedback here
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  • vizviz Frets: 10211
    edited November 2020
    Yes, you are playing in D major (because the D chord is major), but, as is common in blues/rock, you are also allowing major chords that are outside D major and based on the notes that are in the D minor pentatonic scale - ie a Flat 3 chord (F major), and a Flat 7 chord (C major).

    It doesn't mean the whole piece is suddenly in D minor, we're still in D major (or perhaps we could say we're in "D"); and we're allowing the flat 3 and flat 7 chords.
    Paul_C said: People never read the signature bit.
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  • lincolnbluelincolnblue Frets: 263
    Thanks for that...glad to know my theory wasn't totally wrong!
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