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Five musicians, one scale


musicbassman
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16 minutes ago, Nail Soup said:

I’m not much of a music theorist. All the ‘scale talk’ gave me a much queasier feeling than the actual scale was purported to give!

Apart from the last one (which was too much of a jazz noodle for me) they all sounded good........ I just don’t get why they shouldn’t?

It's the relationship between the tonic, the home note, and the fifth, called the dominant. In the other six modes based on the major scale this is always a perfect fifth, sometimes known as a power chord. This interval is very strong, is very closely related to the harmonic series and importantly is stable, it doesn't want to resolve. 

The locrian mode has a diminished fifth, one semitone (or fret- sorry I don't where your theory is up to) smaller. This is discordant to the western ear and wants to either resolve back up by a semitone or move down to a perfect fourth. Therefore the principle chord, chord I in the locrian mode doesn't feel like it's finished. Try playing B D F as a chord and see what I mean. This is sometimes known as tritone- you can wiki that all day long! 

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9 minutes ago, scalpy said:

It's the relationship between the tonic, the home note, and the fifth, called the dominant. In the other six modes based on the major scale this is always a perfect fifth, sometimes known as a power chord. This interval is very strong, is very closely related to the harmonic series and importantly is stable, it doesn't want to resolve. 

The locrian mode has a diminished fifth, one semitone (or fret- sorry I don't where your theory is up to) smaller. This is discordant to the western ear and wants to either resolve back up by a semitone or move down to a perfect fourth. Therefore the principle chord, chord I in the locrian mode doesn't feel like it's finished. Try playing B D F as a chord and see what I mean. This is sometimes known as tritone- you can wiki that all day long! 

Oh, the devils chord! I did know that one already, but my music theory does not stretch much further.

Maybe I'll google the locrian scale later and try it out.

 

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