New York Guitar Marathon There were guitarists everywhere. On the stage, in the audience, in the foyer and wandering the halls. Here are two of the pros who played at New York's Guitar Marathon in January: Croatian guitarist Ana Vidovic performs Federico Torroba's Suite Castellana. And former PT Young Artist in Residence Jason Vieaux plays Fernando Sor's Variations on a Theme of Mozart. The concert was held at the 92nd Street Y.