The single is available to buy now from iTunesamazon etc, the package includes:
1: Hide The Cracks
2: Charlie
3: Hide The Cracks (Phaeleh Remix)

And if you are free later thi week, you can catch Sarah Williams White performing this Thursday @ BlenderLive
18/08/11 FREE entry from 7pm

Bread & Roses, 68A Clapham Manor Street, London SW4 6DZ (Clapham common / clapham north stations)