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What Key

Music Theory
Jeremy_Langford  
29 Jul 2007 01:16 | Quote
United States
Posts: 26
Sorry guys. I used to know tons of music theory and would be answering newbie questions in this forum. But then I got into photography and pretty much stopped with music. I need to re-learn everything. But heres a question.

I started a song with a C-maj7, then I slide up to a D-maj7.

The notes for the C are CEGB
The notes for the D are ADF#G#

what key am i playing in? Im confused because its 8 notes.

mightydave  
29 Jul 2007 06:21 | Quote
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probably a change from c major to D major , not really in one scale i guess ...
Doz  
29 Jul 2007 07:11 | Quote
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I think your're in G major.
gstringpicker333  
29 Jul 2007 10:39 | Quote
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im not sure if its a typo or not but the notes in a D Major7 are D,F#,A,C#. There is no G# in a DMajor7. The G# is the tri-tone of D.
Doz  
29 Jul 2007 10:45 | Quote
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Yeah, he's right. Erm... check your notes again.
Jeremy_Langford  
29 Jul 2007 14:50 | Quote
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Posts: 26
Sorry typo.

So what key is a CMaj7 (CEGB)

and a DMaj7 (ADF#C#) in?

Because it is 8 notes, does it have to be a key change?
Doz  
29 Jul 2007 17:01 | Quote
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Bmajor maybe? I think.
Guitarslinger124  
29 Jul 2007 17:08 | Quote
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you could play the ichikosuacho scale with those notes...thatd'd be in the key of G...
Doz  
29 Jul 2007 18:34 | Quote
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I doubt that'd the answer he's after somehow...
Jeremy_Langford  
30 Jul 2007 01:53 | Quote
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Posts: 26
B major has no A,C, D, or G.

Come on guys. Tell me what key (or 2 keys) my chord progression is in.
Doz  
30 Jul 2007 08:21 | Quote
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I'm sure it has some of those notes in... but actually I though't you'd changed a chord for some reason..

Actually... if it's in two keys it's not in any key. You're not in key if the key switches every chord...
Guitarslinger124  
30 Jul 2007 12:01 | Quote
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pretty sure you're in G major dude...just like i said before...
Guitarslinger124  
30 Jul 2007 12:04 | Quote
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@doz- you should look into some jazz dude...you'll find that there are common keys and common chords...just a suggestion based on what you said...
Doz  
30 Jul 2007 12:41 | Quote
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You mean about me saying that it's not in key in if the key changed at every chord? I know that chords can be in more than one key... but he mentions a key change up there somewhere, and only mentioned two chords...

...and I also said he was in G Major - he didn't seem to take any notice.
Guitarslinger124  
30 Jul 2007 13:45 | Quote
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oh...well i agree with you-im pretty sure its in G major...
Jeremy_Langford  
30 Jul 2007 16:54 | Quote
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cmon guys. Can't you read the notes I posted. There is no C# in the key of G.

The notes are:

CMaj7 (CEGB)
and a DMaj7 (ADF#C#).



I plan on adding more chords to this progression. I just want to know what key or 2 keys this is in.

I thought u guys were theory geniuses.
Doz  
30 Jul 2007 17:05 | Quote
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Firstly, why would you think we were 'theory geniuses'? We're just a bunch of people ranging from non-skilled to skilled, from starter to theory genius on a forum talking about guitar. You can't expect us to be better than you are... which leads on to my second point...

Why not just do it yourself? All this 'come on guys' is annoying, like we're supposed to produce for you when you're obviously as good as us. That's just lazy.

Jeremy_Langford  
30 Jul 2007 17:14 | Quote
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Posts: 26
Cause I have no idea how to figure this out.
Doz  
30 Jul 2007 17:17 | Quote
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Well, I tried it out and it sounds odd. The kind of odd that might mean they might not be in a key with eachover.

...and if they're in two keys then what's the point in us telling you that. As I said further up... if you change the key on every chord (and you are AS FAR AS WE KNOW, since you only mentioned two chords) then you aren't in a Key.
Jeremy_Langford  
30 Jul 2007 17:21 | Quote
United States
Posts: 26
Right. The chord positions I play these chords in dont sound as odd.

I guess It is just a key change.

I am just frustrated because I didnt think 2 Maj7 chords would be super hard to fit in a key. It seems like itd be hard to narrow an entire song down to 7 notes, especially if I cant get the first two chords.
Doz  
30 Jul 2007 17:24 | Quote
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Well yeah, it might be a key change... but it's not from a specific key to a specific key because there's only one chord in each of the keys. You need more to go off.

It's probably better to decide the key of a song before the chords.
bodom  
30 Jul 2007 21:30 | Quote
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Hey man well you only have 2 chords. The Cmaj7 can be in the Keys C or G and the Dmaj7 chord can be in the Keys D or A.
bodom  
30 Jul 2007 22:28 | Quote
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If you want a refresher of the Keys and how to fiqure out what notes are in what Key then chek out my lesson called KEYS.
Jeremy_Langford  
31 Jul 2007 00:17 | Quote
United States
Posts: 26
So i guess you just have to keep narrowing your chords and scales into into keys until they fit into one.

Right now, I have 8 notes, so I am playing in at least 2 keys.
bodom  
31 Jul 2007 06:46 | Quote
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Well no one said that you always have to stay in one Key. Look at jazz, I have seen songs where it changes Keys four times in the first four bars. So it really dosent matter if you stay in one Key or not, as long as it sounds good to you.
mightydave  
31 Jul 2007 14:35 | Quote
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like said before , a major 7th chord is always the I chord so you're dealing here with A change from C major to D major , so two scales
bodom  
31 Jul 2007 15:29 | Quote
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A major 7th chord can also be the 4th chord.
mightydave  
1 Aug 2007 19:46 | Quote
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you're right , I forgot:D


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