To Armin van Buuren, music is a natural state of mind. The Dutch DJ and producer lives, breaths and sleeps on the wonders of the 4-to-4 beat and has been at it for more than 15 years. Nine of those years have involved the annual release of his A State of Trance compilation. A highlight for the trance-minded and dance addicts, now reaching for its 2012 edition. This is A State of Trance 2012, mixed by Armin van Buuren.2012 is a year much discussed, both in and outside the dance scene. It's the ye