張祚
As a chamber musician, Yoo has appeared in solo recital at Lincoln Center, Wigmore Hall, Oslo Opera House, and Bozar and, as a member of the Z.E.N. Trio (with former BBC Radio 3 New Generation Artists Zhang Zuo and Narek Hakhnazaryan), at Aspen Music Festival, Ottawa Chamberfest and in Hong Kong, Liverpool, and Cambridge.