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 12-27-2012, 07:07 PM #1 Fouks Registered User   Join Date: Apr 2009 Intervals Hello. Im starting to understand how intervals work, but i really can't figure out the meaning of inversions. I know that a perfect inverts to a perfect, minor to major etc. But let's say that i have a perfect fourth (in the scale of C) which is an F and it then inverts to a perfect fifth which is a G. Can i play these two notes together on the guitar and they will be a perfect fifth, or how does it work?
 12-27-2012, 07:10 PM #2 chronowarp Registered User   Join Date: Feb 2012 When you invert an interval, you change the quality. The interval is dictated by the relationship of the top note to the bottom. If you play a C-G, it's a fifth. It sounds as a fifth, and the relationship is a fifth. If you flip it to G-C, it's a fourth. It sounds as a fourth, the relationship is a fourth. The concept of inverting intervals is primarily for understanding and realizing symmetry and as a tool for organizing and memorizing intervals. __________________ Check out my band Socrates and the Lava Gods Last edited by chronowarp : 12-27-2012 at 07:12 PM.
 12-27-2012, 07:10 PM #3 20Tigers 1     Join Date: Jun 2008 An inverstion is when you take one of the notes and move it to the otherside of the other note by an octave to create a new interval. That might sound confusing so if you have C up to F then to invert that interval you would take the C and move it up an octave to the other side of the F. Then you would have F up to C. Alternatively you could take the F on that original C up to F interval and move it down an octave to the other side of the C. The result would be F up to C (or C down to F). Note that C up to F is a perfect fourth. But an interval from F up to C is a perfect fifth. You can do this with any interval. So with A and C: A up to C is a minor third and is the same as C down to A. The inversion of this is A down to C (or C up to A) which is a Major sixth. __________________ Si
 12-27-2012, 07:12 PM #4 jazz_rock_feel Micropolyphoner     Join Date: Jun 2006 Location: Winnipeg, Canada An interval is two notes. I think you're confusing scale degrees and intervals. C-F is an interval (a perfect 4th). If you invert it to F-C you get a perfect fifth. B-D (minor 3rd) inverts to D-B (major 6th) A-Eb (diminished 5th) inverts to Eb-A (augmented 4th)
12-27-2012, 07:13 PM   #5
mdc
UG's Mr Chord Man

Join Date: Feb 2008
Quote:
 Originally Posted by 20Tigers Note that C up to F is a perfect fifth. But an interval from F up to C is a perfect fourth.

Typo?

 12-27-2012, 07:17 PM #6 Fouks Registered User   Join Date: Apr 2009 Ahh, that made everything clear. Thank you guys.
12-27-2012, 07:19 PM   #7
20Tigers
1

Join Date: Jun 2008
Quote:
 Originally Posted by mdc Typo?

oops - thanks, -fixed.
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Si

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