HOLLOWBODY ELECTRIC BAND, who at the end of September will premier their new rock opera “One Way Trip to Mars” on the main stage of the Chocolate Church Arts Center in Bath, will be performing at Fronter in Brunswick on Saturday. Tickets for their Frontier performance are $10 in advance and $12 on the day of the show. For information and reservations call (207) 725.5222 or visit wexplorefrontier.com.