Why is it so hard to distinguish Aug from Dim?
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- KVRist
- 427 posts since 24 Sep, 2009
Hello folks,
I've been learning to recognize triads,
but I find it so hard to distinguish Aug chords from Dim chords.
Why is this?
Is there a scientific/theoretic basis behind this phenomenon?
Thanks,
I've been learning to recognize triads,
but I find it so hard to distinguish Aug chords from Dim chords.
Why is this?
Is there a scientific/theoretic basis behind this phenomenon?
Thanks,
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- KVRian
- 1084 posts since 12 Sep, 2008 from Your basement
Not sure why this is, but I think I understand what you're saying. Without any context it might be easy to realize that they are not simple maj or min triads and so confuse them.halfstep wrote:Hello folks,
I've been learning to recognize triads,
but I find it so hard to distinguish Aug chords from Dim chords.
Why is this?
Is there a scientific/theoretic basis behind this phenomenon?
Thanks,
The easiest way for me to distinguish them is to imagine how they would resolve. An aug 5th to me REALLY wants to resolve a half step up in the upper voice. A dim. triad wants to compress rather than expand when it resolves (although that's not always true depending on context).
A dim chord also has that "OMG" sound, like a chapel organ playing when Tiffany reveals that she's carrying Walter's baby.
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- KVRist
- Topic Starter
- 427 posts since 24 Sep, 2009
Hey, it's you again.
Thanks for your reply.
Thanks for your reply.
(I'm sorry but that reference is completely obscure to me. lol)Ogg Vorbis wrote: A dim chord also has that "OMG" sound, like a chapel organ playing when Tiffany reveals that she's carrying Walter's baby.
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- KVRAF
- 3125 posts since 6 Dec, 2002 from Ljubljana/ Slovenia
erm...I don't find them similar sounding at all but imagine diminished like an invitation to something (most likely minoe chord) and augmented as a soundtrack in a horror movie.
I kind of remember intervals and chords with song associations.
Augmented is (among other songs) an intro to Zappa's Muffin Man...
k
I kind of remember intervals and chords with song associations.
Augmented is (among other songs) an intro to Zappa's Muffin Man...
k
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- KVRist
- Topic Starter
- 427 posts since 24 Sep, 2009
Yeah, I guess that's what I should do.soulata wrote:
I kind of remember intervals and chords with song associations.
Any songs with distinctively used dim/aug songs? (other than Muffin Man)
- KVRian
- 1433 posts since 29 Jan, 2008 from Arboretum Avenue
just count the intervals ...
: diminished is stack of minor thirds (4 notes)
: augmented is stack of major thirds (3 notes)

: diminished is stack of minor thirds (4 notes)
: augmented is stack of major thirds (3 notes)
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- KVRist
- Topic Starter
- 427 posts since 24 Sep, 2009
Yeah, that's what I'm doing for the moment.daz.diamond wrote:just count the intervals ...
: diminished is stack of minor thirds (4 notes)
: augmented is stack of major thirds (3 notes)
But I wish I had a more direct way (more intuitive) than actually counting the interval with the head.
- KVRian
- 1433 posts since 29 Jan, 2008 from Arboretum Avenue
that'll come if you "sing" it internally too. like muscle memory.
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- KVRian
- 1184 posts since 13 May, 2004 from SF Bay Area, California
Propaganda's Duel uses I+ (augmented tonic triad) as a nice link between I and vi6 in each verse.halfstep wrote:Any songs with distinctively used dim/aug songs? (other than Muffin Man)
Re: distinguishing between aug and dim triads, it can help to associate the augmented triad with the whole tone scale (which can be thought of as two aug triads offset by a whole step). Or try singing 1-2-b3-2-1 (or 1-b2-b3-b2-1) against a diminished triad and 1-2-3-2-1 (with a major ^3) against an augmented triad:

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- KVRAF
- 3057 posts since 9 Apr, 2003
hey, thanks for pointing that out!daz.diamond wrote:just count the intervals ...
: diminished is stack of minor thirds (4 notes)
: augmented is stack of major thirds (3 notes)
I'm a big fan of quartal chords meself, so maybe I can do something with this info
might as well add in a few stacked fifths while I'm at it
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- KVRist
- Topic Starter
- 427 posts since 24 Sep, 2009
I think I heard Eine Kleine Nachtmusik has augmented triads, but I have no idea where... Anybody know?
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- KVRian
- 1184 posts since 13 May, 2004 from SF Bay Area, California
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- KVRAF
- 2217 posts since 15 Jul, 2003
I have a lot harder time distinguishing certain 7th chords than I do dim and aug chords
augmented chords really really really want to resolve
that sharpened 5th is somewhat similar to a sharpened 9th with a dominaant 7th in putting an edge on the want for resolution
the dim chord as some of us have learned, thanks to a music educator in Montral, is the rotary switch of chords. It can set up a move in a lot of different directions.
part of the training of hearing where something is headed, rather than what it is
augmented chords really really really want to resolve
that sharpened 5th is somewhat similar to a sharpened 9th with a dominaant 7th in putting an edge on the want for resolution
the dim chord as some of us have learned, thanks to a music educator in Montral, is the rotary switch of chords. It can set up a move in a lot of different directions.
part of the training of hearing where something is headed, rather than what it is
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- KVRian
- 1084 posts since 12 Sep, 2008 from Your basement
wrench45us wrote: part of the training of hearing where something is headed, rather than what it is
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Winstontaneous Winstontaneous https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=98336
- KVRAF
- 2592 posts since 15 Feb, 2006 from Another Green World
The first chord to The Beatles "Oh! Darling" is the augmented V...that's what taught me the sound of the chord.soulata wrote:I kind of remember intervals and chords with song associations.
Beck references that chord/sound at the start of "O Maria" on his Mutations album.
Also, Wayne Shorter's classic jazz track "Juju" has augmented chords all over it. Shorter & co. used the whole tone scale quite a bit to improvise over the tune. Though both whole/half-tone diminished & whole tone scales are symmetrical they have fundamentally different flavors.