Heheh.

The minor modes are actually derived from the Major mode, starting on the 6th note as the minor root.

So the 1,3,5 Major in key of C would be C,E,G, but the relative minor triad would be A,C,E in the same key sig or A minor.

If you know that, you can often interchange things between the Major and its Relative Minor.

That's a rather basic explanation, if you consider what can happen when using extensions over the basic triads, other modes come into play that can be used "safely" as well.


--Mac