Irish singer Nathan Carter has catapulted into stardom, charming audiences on guitar, piano, and accordion. At age 26, he boasts three number-one albums, two number-one singles, and two number-one live performance DVDs. Now he will embark on his debut North American tour, alongside his Irish band, and special guest star Chloe Agnew for a show-stopping mix of songs like “Bridge Over Troubled Water,” “Home to Donegal,” and a program packed with old country favorites, Irish folk songs, and adult contemporary classics. The tour will begin September 8 in Rochester, NY with 11 concerts through Canada and the United States, including Pittburgh’s Byham Theater. Fans of Daniel O’Donnell, Michael Bublé, and Tony Bennett will love this young Irish crooner who is blazing a trail to worldwide success and charming audiences around the world. See Nathan Carter at Byham Theater, Wednesday, September 20, 7 PM. Tickets at TrustArts.org or 412-456-6666.