A Few Questions - Kush
Posted 27 November 2006 - 04:33 PM
I hope everything is well
I recently attended a Theory session with my Teacher and I have a few doubts regarding some concepts. My class is after 3 - 4 days only, therefore I request you to kindly help me with the below -
1. My Teacher taught me the Major Chord Formula to be
Root of the Chord + Maj 3rd + Perfect 5th
but I had already read somewhere that its R + Maj 3rd + Min 3rd
I understand that both result in the same thing, but we count from diffrent notes (from the root in the prior and from the second note in the later) - so which of the above is the correct (standard) formula for a Maj Chord ?
2. He said that a Basic Chord-arrangment (Progression ?) in a song is as below -
Chord based on ROOT - Chord based on its Perfect 4th - Chord based on Perfect 5th
He said that the Root-Chord is called a 'Tonic', The P4th Chord is 'Sub-Dominant' and the last 'P5th Chord' is called 'Dominant' -
Then he said that to make a song more 'Tasty' we convert the Dominant Chord into a 7th Chord -
For example G Maj chord is the Dominant in the key of C - rite ? which has the notes 'G B D' - now to make it to a seventh he said add a 7th note which is a 'F'
Now, my question is how does this 7th come ? Is it the seventh note from the G Major scale (since we're converting a G Maj Chord) ? but the seventh note from G maj scale is a F# and not a F - isnt it ?
3. And the last question - so if I decide to use G7th Chord in the key of C then,
C Maj Chord is my Tonic
F Maj Chord is Sub-Dominant
G Maj Chord is Dominant
Do I call the G7th chord as Dominant too ?
I hope my questions are clear - Kindly advice and help me
Take care Friends and Have a Nice Day !
Posted 27 November 2006 - 06:00 PM
Both are equally correct, but it's more convenient to think in terms of R 3 5 than Major 3rd + minor 3rd. That's because ALL chords can be expressed by that kind of formula. For example a ninth chord is R 3 5 b7 9 in the first method - Using the second method it would be maj 3 + min 3 + min3 + maj 3 - in other words, a mess. How could you ever remember it?
The 7th chord - built on the dominant- how does it come about?
You count 7 degrees from the dominant but in the scale of the tonic
In the key of C major: (CDEFGABC)
C is the tonic
G is the dominant, so you count through the C scale but starting at G (GABCDEF)
So the seventh degree up from G in the key of C is F - and the chord is G7 (GBDF)
Do I call G7 the dominant chord too?
Yes - and to be even more precise, you call it the DOMINANT SEVENTH. Because it's the seventh chord that occurs naturally on the dominant scale degree.
But watch out - You'll often hear seventh chords called DOMINANT SEVENTH even when they are NOT built on the dominant scale degree. It's a kind of misuse of the term that has become common and is now widely accepted. So when you hear that name dominant seventh - it might just mean the same type of chord but not necessarily on the dominant scale degree.
For example - you can play a 12 bar blues purely with dominant sevenths, but only the one built on chord V is THE dominant seventh.
Posted 27 November 2006 - 06:21 PM
I hope everything is well there
I was just thinking of sending you a PM asking about this - Thankyou so much for always caring and for all the help you done for me. Thanks again for the clear and easy explanation.
Warmest Regards and Lots of Care
Posted 27 November 2006 - 06:42 PM
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