#1
hey ive been playing a couple of years now im ok i guess ive started learning a bit of theory here and there and was wondering if any one could show me some 7th chords and describe the difference between them plz?

thanx
Quote by 6WS
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#2
other than open chords with sevenths, here are the basic bar shapes:

A7 575685
D7 x57575
E7 7x675x

the E7 shape is not barred and the lowest string isn't the root, but it's a useful seventh chord to know, because then you can play A7 D7 and E7 without changing your hand position--good for blues accompaniment. and of course move these shapes up and down the neck for different chords. you've been playing for 2 years and don't know seventh chords?
#3
7th chords usually have a Major or Dominant 7th interval added to the triad.

So just say you wanted the intervals to a major triad with a dominant 7th, your intervals would be 1 3 5 b7 - Or a major triad with a major 7th: 1 3 5 7.

The same applies with a minor triad, except its a minor 3rd not a major.
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#4
Quote by Logz
7th chords usually have a Major or Dominant 7th interval added to the triad.

So just say you wanted the intervals to a major triad with a dominant 7th, your intervals would be 1 3 5 b7 - Or a major triad with a major 7th: 1 3 5 7.

The same applies with a minor triad, except its a minor 3rd not a major.

7th chord implies dominant 7th by the way, it will say major 7th if it wants that
#5
Quote by Dan Steinman
7th chord implies dominant 7th by the way, it will say major 7th if it wants that



I suppose if he needs either now, he knows the intervals
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#7
Besides the barre shapes Dan listed, here are the four main shapes I use (These are all A7s, with the root bolded).

e X X X X
B 2 5 8 [B]10[/B]
G [B]2[/B] 6 9 12
D 2 5 [B]7[/B] 11
A X X X X
E 3 [B]5[/B] 9 12


The last shape is actually a repeat of one of Dan's shapes, but it fits in with the others I listed because all of these 7th chords have exactly one of each tone: 1 3 5 b7. This makes it easy to change them from 7ths to maj7ths, or to m7ths, etc.

If you want to know the chord tones of each shape, they are (from lowest note to highest)

1st chord: b7, 5, 1, 3.
2nd chord: 1, b7, 3, 5
3rd chord: 3, 1, 5, b7
4th chord: 5, 3, b7, 1
#8
Major 7th: I III V VII
It has got a very harsh interval of a major 7th, and will pull strongly to a major chord. It sounds quite vague and unfinished.

Example: Amaj7



|---0-----------------------------|
|---2-----------------------------|
|---1-----------------------------|
|---2-----------------------------|
|---0-----------------------------|
|---0-----------------------------|



Minor 7th: I IIIb V VIIb
Slightly less harsh interval, only a minor 7th. I think it sounds quite nice.

Example: Dm7



|---1-------------------------------|
|---1-------------------------------|
|---2-------------------------------|
|---0-------------------------------|
|---X-------------------------------|
|---X-------------------------------|



Dominant 7th:I III V VIIb
Once agian, only a minor 7th, sounds quite jazzy and edgy.

Example:G7



|---1---------------------------------------|
|---0---------------------------------------|
|---0---------------------------------------|
|---0---------------------------------------|
|---2---------------------------------------|
|---3---------------------------------------|



There you have it. I couldnt really explain what it sounds like though, oh well.

Quote by Robbie n strat
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#9
ok thanx guys so u jus make a major triad intervals 1 3 and 5 then add a 7 and its a major 7th chord? or dominant?
Quote by 6WS
haha, that is going to be the biggest p*ssy magnet since the keyboard neck tie.
#10
^ For a dominant 7th chord, you add a b7. For a major 7th, you add a major 7th
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