Key change


Mike masten
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Joined: 02/06/12
Posts: 8
Mike masten
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Joined: 02/06/12
Posts: 8
02/24/2012 1:31 pm
I often change chords C, F and G to A, D and E respectively. But what is the equivalent in that progression for the Am?
Thanks.
# 1
JJ90
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Joined: 01/02/11
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JJ90
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Posts: 228
02/24/2012 1:58 pm
What you are talking about right here is a 1, 4, 5 progression.

With that I mean the first, fourth and fifth chord in a (mostly major I think) key.

With major keys, the 1, 4, and 5 are major, rest is minor except for 7. You can usually count up from the root note (the 1) to find the rest. For example in the key of C. C is 1, D is 2, E is 3, F is 4, G is 5, A is 6, B is 7 and then you return to the root.

As I said before, 1, 4 and 5 are major, the rest is minor except for 7 which is diminished. You can fill in the math. 1 is Cmajor, 2 is Dminor, 3 is Eminor, 4 is Fmajor, 5 is Gmajor, 6 is Aminor and 7 is Bdiminished.

For that you need to know what notes are in a key. The funny thing actually is that the key of Aminor contains the exact same notes as C major. You actually already mentioned the key of C major in your progression from C to F to G. Those are the 1, 4 and 5 chords in C major.

A minor is the realitive minor in the key of C major. A minor is the 6th chord in the key of C major. So if A minor is the 1/root of a key, the 4 and 5 are Dminor and E minor. But since you are playing in a minor key the sound will be very different.

I'm sure Guitartricks has a tutorial on this to explain this in a better way.
# 2
Mike masten
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Joined: 02/06/12
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Mike masten
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Joined: 02/06/12
Posts: 8
02/24/2012 4:02 pm
Having read the answer I realize my question was confusing. Changing the chords in a song with following chords: C to A, F to D, G to E and Am to ?
What is the alternative to Am?
Thanks!
# 3
Markmeblue
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Markmeblue
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03/09/2012 4:41 pm
Mike,

What you're looking for is the relative minor in the key of D major. The corresponding minor for A minor in C would be B minor in D. So that playing C, Am, F, G would equate to D, Bm, G, A. Everything gets raised a full step. You can directly compare it by capoing on the second fret and playing the C progression, but you would actually be playing in D. If you've already gotten this somewhere else, I apologize for the redundancy.
# 4
TheGM
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TheGM
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03/11/2012 7:22 pm
Mike i may be off base but i think you are changing from the key of C to the key of A in that case the Am would become F#m in the key of A. Key of C = C,Dm,Em,F,G,Am,Bdim7,C. Key of A = A,Bm,C#m,D,E.F#m,G#dim7,A. I hope this helps.
# 5
Stephen Quinn
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Stephen Quinn
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03/29/2012 8:48 am
Another easy way is to find the interval between the chords and the changes (3 semitones) and count down from the original fret position. In the case of Am, the new chord will be F sharp.
# 6

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