The origins of Debussy’s Nocturnes date back to an earlier abandoned piece calledThree Twilight Scenes, which the composer started in part to experiment with different orchestral combinations. Sketches from that work, and really the framework, would make its way into the Nocturnes: it’s a piece made up of three distinct tone poems. Hear it tonight at 7, our Evening Masterwork on Classical WSMR 89.1 and 103.9.