TEXT: Dennis DeYoung, a founding member of the band Styx, peformed at the first headline concert of the 2018 Lancaster Festival Saturday night, July 21, 2018, at the Ohio University Lancaster Wendel Concert Stage in LancasteDennis DeYoung, a founding member of the band Styx, performed at the first headline concert of the 2018 Lancaster Festival Saturday night, July 21, 2018, at the Ohio University Lancaster Wendel Concert Stage in Lancaster.r.