The CityBlock Summer Concert Series is back and summer in the city never sounded better! MassMutual presents CityBlock 2015 with the biggest names in rock, roots, jazz and blues coming to downtown Springfield. CityBlock shows are free and take place every Thursday evening in Stearns Square between 4:30p and 9:30p. The complete lineup of artists is available online through SpringfieldDowntown.com. This week at CityBlock Jon Butcher Axis! Stop by the Rock 102 table to win prizes!