Catapulted? Ignited? Skyrocketed? Erupted? What is the best word to describe a company that, in a scant ten years, went from a two-car garage to a three-car garage to a 5,000-square-foot warehouse to a 12,000-square-foot facility and is now occupies 27,000 square feet with more than 25 employees? Begun in May 2004 by Sara B. Knutson and Ryan Knutson, Brown Note Productions of Thornton, Colorado, is a supermarket of services, support and sales for live event audio, video and lighting. Like most successes, the enterprise began with a simple idea.