Construction on UVA’s new $12.7 million music rehearsal hall will begin in January 2010. Rendering by William Rawn Associates Artists may starve for their art, but UVA’s Arts Grounds project doesn’t appear to be starving for cash. Another piece of the ambitious project took shape last week, as UVA’s Board of Visitors gathered in the Board Room of the Rotunda to approve the design and $12.7 million budget for a new music building across from Ruffin Hall, the $25.9 million, 42,000-square-fo