The Basics Of Intervals. Part 2

In this lesson I'll give you a few more quick tips with the intervals in my previous lesson. I also decided to add a little on compound intervals and how they are used.

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*Please keep in mind that this lesson requires a bit more knowledge of theory. *In my last lesson I forget to mention your enharmonic intervals, or as they are know enharmonics. Basically an enharmonic is the same sounding pitch notated differently. An example would be C# is the same as Db, or Ab is the same as G#. The only intervals enharmonics can get trick on are your "natural half steps." B to C and E to F. An example of an enharmonic with these are B# is the same as C or Cb is the same as B. Long as you don't overthink this, you should easily grasp enharmonic intervals. Ok guys, in my previous lesson I gave you a chart of the intervals and also provided some of the uses of the half step, whole step, and the third. In this lesson I'll give you a bit more on those intervals and bit of new material to finish off the topic of basic intervals. Lets get started! As I said before, intervals can be used in a variety of ways, especially thirds and the perfect intervals. I remember I listed two of the four common triads with their root shapes and "interval formulas" on the first 3 strings (G-B-e). So I'll give the two remaining triads. Augmented Triad Major 3rd + Major 3rd Root Pattern
|-5-|---|---|
|---|-3-|---|
|---|-R-|---|
|---|---|---|
|---|---|---|
|---|---|---|
Diminished Triad minor 3rd + minor 3rd Root Pattern
|-5-|---|---|---|
|---|---|-3-|---|
|---|---|---|-R-|
|---|---|---|---|
|---|---|---|---|
|---|---|---|---|
Now on too the uses of the perfect intervals P = perfect Harmonization is a great for adding a bit of flare to your music. As I mentioned before, 3rds and other intervals are used for harmonies. The problem is what are those other intervals? Well next to the 3rd, the P5 can be used to add more to your harmony. Lots of harmonies are made up of 3rds and P5's. I won't get into much, because there are lots of great lesson here at UG that explain making harmonies. If you want to be different though, (and you know how to make harmonies) experiment with the other perfect intervals (Perfect unison, P4, P5, P8). You might be surprised what unique sounding harmonies you can create. Now onto Compound Intervals! Now compound intervals are fairly simple to learn. The basic definition of a compound interval is an interval that goes beyond the octave. A simple way to learn these is to just add 7 to your "basic" interval.
Ex. m2 is the same as a m9   (2+7=9)

    M3 is the same as a M10  (3+7=10) 

    P4 is the same as a P11  (4+7=11)
Just look at the number and not the quality of the itnerval (M, m, d, A+), and add 7. Heres a key for the interval qualities. M = Major m = minor d = diminished A = augmented P = Perfect Well this about raps it up for the basics of intervals. I hope you have learned a bit from these lessons. Comments appreciated. -Mike

5 comments sorted by best / new / date

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    naturalone
    Man, I really digg your lessons on Music theory! I have been playing guitar for awhile now, i feel for the amount that have played, i`m not were i should be! Your Basics of Intervals part 1 was very infomative. Although I will have to read it a few time to actually understand it fully, I`m excited to learn this stuff and will be tuning in for part 2 soon. I thank you!!!!
    KingBeowulf
    Thank you for this lesson! I believe my favorite band, Incubus, uses lots of compound intervals like R-5th-9th (is that correct?).
    mity88
    Yo trivium...cool stuff bro...i have to ask tho...could ur next lesson be on triads please,basically, i know how to play and construct them, but i dont know when to use them...also,when to use inverted triads...thanks man, ur lessons rock