Folk music duo Steve Gillette and Cindy Mangsen are scheduled to play at 8 p.m. Friday at the Tarpon Springs Cultural Center, 101 S Pinellas Ave. Songs Gillette has written have been recorded by artists from Ian & Sylvia to Garth Brooks to John Denver. His song Darcy Farrow has been recorded by more than 100 artists since 1966, most recently by Jimmy Dale Gilmore and Nanci Griffith. Mangsen, who married Gillette in 1989, is also a songwriter and interpreter of traditional ballads who plays guitar, concertina and banjo. Tickets are $13, $11 for center members or students. Call (727) 942-5605.