The Johnson City Symphony Orchestra is celebrating 52 years with a free concert on June 27, its first live event since the start of the COVID-19 pandemic.“This is supposed to be a fun, low pressure event,” said Rob Seebacher, music director and conductor of the Johnson City Symphony Orchestra since 2008. “People can dress however they want, bring the kids, bring the pets. The important thing is, we’re back together and playing.”The concert will happen 0at 6 p.m. at Winged Deer Park’s Festival Plaza, 4137 Bristol Highway.