Bartók World Competition

Unison Quartet

Mary Grace Johnson (violin)

Katherine Kyu Hyeon Lim (violin)

Hannah Burnett (viola)

Iona Batchelder (cello)







The Unison Quartet was founded by former and current students of The Juilliard School in New York. The took part in the Perlman Music Program by Itzhak Perlman in June 2021, the Juilliard String Quartet Seminar by Roger Tapping and Areta Zhulla in May 2019 as well as by Ronald Copes and Astrid Schween in December 2018. Recently they performed at the Aspen Music Festival Center for Advanced Quartet Studies (July 2021), after holding concerts at the Juilliard String Quartet Seminar, the Juilliard Chamber Music Recital and the Kneisel Hall Benefit Concert in 2018-2019. The ensemble’s coaches were and are Darrett Adkins, Ronald Copes, Kirsten Docter, Todd Phillips, Astrid Schween, Joel Smirnoff, Laurie Smukler, Roger Tapping, Donald Weilerstein and Areta Zhulla.





Haydn: String Quartet No. 66 in G major, Hob. III:81 [Op. 77/1]

Bartók: String Quartet No. 2, BB 75 – 1. Moderato



Beethoven: String Quartet No. 14 in C sharp minor, Op. 131

Okamoto Shinsuke: Calligraphy for Air and Ground



Schubert: String Quartet Movement in C minor (ʻQuartettsatzʼ), D. 703

Bartók: String Quartet No. 1, BB 52