Country music is no stranger to male groups with tight harmonies — the Statler Brothers, the Oak Ridge Boys and the Gatlin Brothers are just three that come to mind — but who ever heard of a country a cappella group?
Home Free, which performs Friday night at the Topeka Performing Arts Center, 214 S.E. 8th, hadn’t either before Deke Sharon, a producer of “The Sing-Off,” NBC’s singing competition for a cappella groups, suggested focusing on the country genre that singled out Home Free from the competition.