With a recent pair of reissues, Sony Music/Legacy Recordings has transported listeners to Greenwich Village at the dawn of the 1960s, when guitar-wielding troubadours took the stages at venues like Café Wha? to share their own “alternative” music: folk. While Connie Francis, Brian Hyland, Elvis Presley, and even Percy Faith were ascending to the top of the Pop chart, folksingers were spinning their own musical yarns that didn’t involve teenage romance or itsy bitsy teenie weenie yellow polkadot bikinis. Two such artists were Art and Paul – no, not that Art and…