Stern Grove Festival\u2019s 81st season kicks off with The Big Picnic Concert, featuring two soulful R&B legends:\r\nJeffrey Osborne and Peabo Bryson. Admission is free to the public. However, if you want reserved seating or to partake in the picnic, tickets begin at $250. The concert kicks off at 2 p.m. For details, visit sterngrove.org. NHG sponsored.