On 11 January 2020 greenroom players perform two concerts at TAMA Music Festival, Tokyo, Japan, at 13:00 and 20:30. One of them includes the Asian premiere of Zenit (2010), the first string quartet by Rozalie Hirs (ロザリー ヒルス). The concert is preceded by an introduction to the work.
In addition, Cathy Cox interviews the composer. Music theorist Cox obtained her PhD from Columbia University, New York, in 2006. Since her graduation Cox has been a lecturer at Tamagawa University College of Arts/ Department of Media Design (玉川大学芸術学部メディア・デザイン学科) and since 2011 also at the Kunitachi College of Music Graduate School/ Sonology Department (国立音楽大学大学院, コンピュータ音楽研究室), both in Tokyo.