Bristol Riverside Theatre’s William Penn Bank Summer Music Fest is returning to the Bristol Township Amphitheater with a line-up that will literally rock audiences through the decades. This summer’s concert series is bigger and better than ever, with performances announced from The Commodores (July 15), Russell Thompkins, Jr. & The New Stylistics with special guest Eddie Holman (July 16), Indigo Girls (August 25), 70’s Flashback (August 26), and culminating with Herman’s Hermits starring Peter Noone (September 9-10). All shows will be held at Bristol Township’s outdoor amphitheater located at 2501 Bath Road. Tickets are on sale now starting at $35 for general admission and $65 for premium admission. Premium admission includes seating in front of the stage with chairs. General admission is bring your own chair and/or blanket. For tickets and additional information, visit brtstage.org or call 215-785-0100.