FRIDAY: >> You don’t need us to tell you any more about local heavyweights Benjy Ferree, Meredith Bragg and the Terminals, or Greenland. But tonight is Ferree’s first time headlining at Black Cat’s mainstage, so don’t forget to show up and lend your support. 9 p.m., $10. SATURDAY: >> Guitarist Nick Zinner of the Yeah Yeah Yeahs will spin a DJ set at the Rock and Roll Hotel. $10 after 10 p.m., free before. >>…

Shanghaiist probably knows a little more about China than the Chicago Sun-Times. Giving them the benefit of the doubt on that one. The city does to have a music scene. Don’t even front like they don’t. They also have Dorito bananas and white guys shopping for wives. What they don’t have is any more tolerance for jaywalkers. Bostonist sees Boston and Somerville each whip out their art and face off. A plagiarized novel is the…