Pop music singers Cher Lloyd, Coco Jones, and Beverly’s Angie Miller are among the headlining concerts at the Topsfield Fair, scheduled to run Oct. 4-17. Entry to see Lloyd and Jones will require an additional ticket in addition to paid fair admission, but Miller’s show will be free for those attending the fair. Jones, star of the Disney Channel movie “Let It Shine,” will perform Oct. 12, at 11 a.m., and Lloyd, best known for her hit song “Want You Back,” will perform on the same date at 6 p.m. Tickets to the Jones concert are $15 in addition to fair admission (family four-packs for the concert cost $45), while tickets to see Lloyd are $25 in addition to fair admission (family four-packs for the concert cost $80). Miller, a finalist on Fox’s “American Idol” earlier this year, is scheduled to perform Oct. 8 at 7 p.m. Other acts scheduled to perform include The Fools, Bobby Vinton, and Tate Stevens. Ticket prices for the fair are $11 each on Oct. 4, 7-10, and $15 each on Oct. 5-6 and 11-14. Discount tickets, food vouchers, ride tickets, and three-day passes are available at www.topsfieldfair.org through Oct. 3. Children age 7 and under are admitted free with an adult admission.