This article is in podcast form. I hope you enjoy it and find it interesting. It is an excerpt from a whole show exploring the construction of music from the basic elements of a chord, through to progressions and complex harmony.
If you would like to find out more, please visit www.joesamuel.co.uk
http://www.joesamuel.co.uk/content/uploads/2011/05/Perfect-cadence-final-3.mp3