A part of a concerts of Quarto Quartet and friends. Ivan Penchev (violin),Svetlana Stancheva (violin),Tatyana Todorova (viola),Stoyan Bozhkov (cello),Darina Vasileva (piano),Atanas Iliev (clarinet) and special guests prof. Dimo Dimov (piano) and John Koen (cello)

The Quartet "Quarto" was founded more than 3 years ago in Sofia, Bulgaria, as not only a piano quartet, but also as a flexible chamber ensemble with varying configurations, such as duos, trios, as a string quartet and as a quintet with piano, double bass or clarinet.Their current repertoire includes trios, quartets and quintets for piano and strings by Beethoven, Brahms, Schubert, Robert Fuchs, Frank Bridge, Dvořák, Mahler, Mozart, Schumann, Bartok, Marin Goleminov and others.