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> Is This A Diminished Triad?
post Nov 20 2008, 07:05 AM
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Okay I think this is a B Dim triad but I wanted to be sure. I have a D (root), F Natural (3rd), and B natural which should be the Flat 5th. Is this right? My theory's pretty awful but I am making progress thanks to everyone here!


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Ian Bushell
post Nov 20 2008, 07:16 AM
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Hi Saint arc,

This can be seen as a D diminished 7th with no 5th. G# would be the missing b5.
The diminished 7th formula is R b3 b5 bb7
A diminished triad is R b3 b5

If D is your root then this is how the notes would go with those formula's.

D® F(b3) G#(b5)

D® F(b3) G#(b5) B(bb7).

What you can further do with a diminished 7th arpeggio/chord is if you move the same shape up or down in minor 3rd intervals (3 frets) You'll produce the same chord or an inversion of it.

This only applies to diminished 7th though.

Use of this can be heard in most neo classical music.
Hope that helps.

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Vinod Saranga
post Nov 20 2008, 07:26 AM
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Yes this is a B dim.But root should be B,

If you are going to use D as root ,Ian has given a clear explanation on that  smile.gif

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Muris Varajic
post Nov 20 2008, 08:09 AM
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Yeah,that's Bdim,
or G#dim without root.
Flat 5th from D is note Ab. smile.gif

This post has been edited by Muris Varajic: Nov 20 2008, 08:10 AM


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