Composer Nathan Hall is fascinated with the huge, vibrant paintings of abstract painter Clyfford Still. Nathan recently set out to compose music about about Still, and combed through the painter's writings to set some of the colorful passages to music. Hear "Notes From Clyfford Still," performed by the Playground Ensemble in the CPR Performance Studio -- and hear how Nathan created the piece -- in this episode of Centennial Sounds from CPR Classical and Colorado Public Radio.