3 Chord Trick

1   2   3   4   5   6    7
C  D- E- F   G  A-  B dim 

The anchor points and 3 most important chords of a key are 1 4 5! 

These in the key of C are C F G notice the are all major! 

Your task today is to construct two different patterns using only these chords and then put a melody to it!
Other 3 chord tricks can use the relative minor.
The relative minor of C is A- the relitive minor of F is D- and the relitive minor of G is E minor.
The realive major and minors are pretty much interchangable but add a different texture.