Before starting their set at the Rock and Roll Hotel on Tuesday night, the members of Akron/Family taped up a torn American flag with a blue and white tie-dyed square in the upper left hand corner. This flag, which adorns the cover of Akron/Family’s latest release, Set ‘Em Wild, Set ‘Em Free, might initially give the impression that the band are followers of the Book of Phish and that album title, a mantra torn from…