Ricardo -> RE: 1-3-b5 triad? (Feb. 28 2018 15:48:45)
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ORIGINAL: callemunicion Hi! I'm practicing for a music theory exam. Does such a triad exist? A C# Eb? It is not augmented or diminished. But this exam is about triads, so I can't name it A#11.. Any suggestions? Personally, this type of situation shows a “misspelling” in context of something, enharmonically I mean. In this case, it’s either the Eb (should be D#) or the C# (Should be Db). A quick look at context would reveal which mistake was made. The A C# D# would in fact be A(#11), as in the IV chord in E major, or A lydian. The A Db Eb would be from the Bb minor key, the raised 7th being A. This triad could be heard in place of the F7, where the Db is like a flat 13 tension meant to resolve to C, pulling down to tonic Bb eventually. (Jazz guys think of this more like Dominant7#5 type thing that need not resolve...also the A altered is from Bb melodic minor). One last possibility is the Augmented 6th harmony. In Context that would be like an Eb7 where the Db (7th) is deliberately misspelled as C# (aug6) for the sake of voice leading (you will resolve to D after this chord, up by half step from the C#, down by half step with the bass note)....however the A note would be the #11 of the Eb7 harmony...so you hear Eb7#11....I think this is the French 6 chord however, it’s in the wrong inversion (you need Eb in the bass), and the G note is essential and missing. So not a good candidate for legitimizing having C# and Eb in the same chord. In flamenco I could do it if you added the G and Bb notes and put the C# in the Bass for example: Cm7->Eb7#11/Db-> D(b9)....on paper I would spell the Db as C# for voice leading, and then you can have your three notes coexisting legitimately....however I still consider the misspelling to be wrong when looking for chord quality and sound/function. Lastly, the Eb, as seen as “flat5” is famous for being called the “blues note”, a tritone away from any tonic...and is normally heard as a dissonant “out note” accidental, inother words you probably also hear an E natural against this note in context, so not fair to name it as a chord tone. Ricardo
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