On July 5, Esther Yoo performed a recital with Z.E.N. Trio member and pianist Zhang Zuo (Zee Zee) as part of the Aspen Music Festival in Colorado. For her third appearance at Aspen, Esther performed violin sonatas by Beethoven, Debussy, and Grieg, along with Jeong Kyu Park’s Toad and Vieuxtemps’ Yankee Doodle.