Our weekly Go concert recommendations are updated every Monday morning and are always available on jaxmusic.org. For the comprehensive list of this week’s concerts, go to our live music calendar page. Singer/Songwriter  Johnnyswim – Wednesday, September 6 PV Concert Hall | Ponte Vedra  Los Angeles-based singer-songwriter duo Johnnyswim, which features Jacksonville-bred multi-instrumentalist and producer Jonathan Berlin on guitar, perform at the PV Concert Hall …