Learn how to play the 2-5-1 progression in any key on the Piano and Keyboard. more at http://www.facebook.com/scififunk
Learn how to construct all the 7 basic 3 note chords of a key, then the 7 4 note chords in a key.
Now you can work out all of these chords for any key.
I then introduce a simple chord progression 2-5-1. I expand on this to go the full circle of all the notes in a key. 4-7-3-6-2-5-1.