New Orleans band The Revivalists performed a set of folky, indie, soul rock songs Sunday at B.O.M.B. Fest. Back stage before their set, they relaxed, joked around and geeked out about seeing the psychedelic rock band Portugal. The Man. &amp;#8220;We&amp;#8217;re fun. We&amp;#8217;re high energy,&amp;#8221; drummer Andrew Campanelli said. Guitarist Zach Williams, a reported expert at [...]