Raised fourth? (Full Version)

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Adam -> Raised fourth? (Jun. 20 2009 20:01:38) Hey folks, I was just playing through an old farruca I learned (well, picking it back up [;)]) and I got to thinking about how sometimes the D changes to a D# (on the B string) in, say, a picado run. The same thing happens in, say, Entre Dos Aguas where it looks like switching between the phrygian and phrygian dominant of B (or if you look at it as being in E minor, just raising the 7th note which is common). But in the farruca, which is in A minor, this looks like raising the fourth scale degree, which is just weird. I'm curious about the theory - can someone explain what's going on there?

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HemeolaMan -> RE: Raised fourth? (Jun. 20 2009 21:22:59) maybe a harmonic minor mode? in classical theory this falls loosely under the category of modal borrowing. the idea is that you avoid a certain tendency tone in order to prolong resolution. that would be Fa 4>mi/me 3 or 7 ti>do 8. raising a fourth emphasizes the 5th degree more. perhaps that is the function?

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Ricardo -> RE: Raised fourth? (Jun. 20 2009 22:44:49) In A minor, the "raised 4th" is really like a leading tone to the 5th. You can think B7->E->Aminor. But you tritone sub the B7 for F7. So you can spell it as Eb. It is just a way to pull stronger to the E note. If you do spell it D# you can think about augmented 6th harmonic function as an explanation. But in flamenco terms you are just emphasizing the E note with that D#. Another scale that can be used is the double harmonic minor scale. ABCD#EFG#. It has an arabic flavor. Ricardo

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