From left: Sean Yves Lessard (Jamie) and Cat Rojo (Cathy) in "The Last Five Years" at Hudson Backstage Theatre (Photo by Sydney Belabin) Tony Award-winner Jason Robert Brown’s 2001 “The Last Five Years,” directed by Aaron Byrnes at the Hudson Backstage Theatre, is an intimate two-person musical that explores a relationship at its breaking point. The story unfolds through two timelines told simultaneously. Jamie Wellerstein (Sean Yves Lessard), a novelist, moves forward from t