"The 'tritone' has been referred to as a dissonance for centuries, and has been called 'the devil in music'. This interval can be quite difficult to sing in tune, and can often grate on the ears, yet it can also have a great dramatic effect. It is tuly a 'devilish' little beast, and it is what inspired me. The devil's antagonist is surely an angel. So, imagine one's guardian angel on one shoulder, and 'Old Nick' on the other, battling for your conscience, and you will essentially have what this three movement piece is all about."
Concertino is for very advanced performers and is about 15 minutes in length. -the publisher