Resonance Lines, a term borrowed loosely from physics, refers to the energy emitted or absorbed by an atom as it transitions between different energy states. Listen to the resonating energy in Hannah Collin's new album called Resonance Lines on the Sono Luminus classical label. KPR's Cordelia Brown and cellist Hannah Collins chat between selections about these exciting and singular pieces came to be. Featuring the music of Benjamin Britten, Giuseppe Colombi, Caroline Shaw, Kaija Saariaho and Thomas Kotcheff.