Courtesy of fybush.com, a photo tour of Clear Channel and Hall Radio. The CC studios are the ones without people in them, although I do see one in the HJY studio photo.
http://www.fybush.com/site-of-the-week-972012-75-oxford-st-providence-2010/
http://www.fybush.com/site-of-the-week-972012-75-oxford-st-providence-2010/