Over the past decade, the New Jersey-born, now Louisiana- and Vermont-based musician Dayna Kurtz has toured with Elvis Costello, Richard Thompson, Mavis Staples, Rufus Wainwright, B.B. King, Richie Havens and many more, and has performed for high-profile radio shows from “World Café” to “Mountain Stage” to NPR’s “Morning Edition” and “Tell Me More.” On Saturday, May 20, Kurtz will visit the Gia Maione Prima Foundation Studio Theatre at Ocean County College for an 8 p.m.