Taylor Swift's four-concert engagement at the Prudential Center in Newark, N.J., concludes this weekend. The shows on Saturday and Sunday (July 23-24) follow performances on Tuesday and Wednesday. In a nod to the state's musical heritage, Swift performed a small medley with the choruses from Bruce Springsteen's "Dancing in the Dark" and Bon Jovi's "Livin' on a Prayer" at Wednesday's show, according to a review in the The New York Times. In July, Swift postponed three shows in the Southeast due to bronchitis. She resumed her tour schedule on July 14 with three consecutive shows in Canada and continues the roadwork next week in Michigan, Indiana and Ohio.