Dave Matthews Band have announced a new round of 49 tour dates, for spring / summer 2010. The three-month-plus outing kicks off May 28 and 29 in Hartford, CT, and will hit 40 cities in all before wrapping Sept. 15 in St. Paul, MN. Highlights include two July nights (7/16 and 7/17) at Citi Field in New York City, and an Aug. 23 appearance at Los Angeles' historic Hollywood Bowl.