Sean C. Morgan
Psychostock will invade Sankey Park from 10 a.m. to 8 p.m. on Saturday, Aug. 10, with nine area rock ‘n’ roll bands of different kinds performing.
Since booking them, the event has had 10 more bands ask to join the schedule, said organizer Patrick Culy. A couple are on standby.
The event is just one day this year, down from two, Culy said. “We did two days before, but it was too…