The quartet members: Tatyana Larina (flute), Olga Kiyashkina (piano), Alexander Muravyov (double-bass), Mikhail Markov (percussion).
The instrumental quartet «Black Square» consists of four young musicians, joining classic playing traditions with jazz drive into unexpected mix. The critics prove that the quartet is distinguished by fine aesthetic manner of playing together with high level of technique.
The group aesthetics is in the tideway of academic composition and jazz tradition. In one of the Moscow musical revues the style of Black Square was defined as "post-jazz academic music".