Quarto Quartet (Sofia; EU) Live on the closing day of the Chamber Music Festival in Dobrich 2009.
http://quartoquartet.com/
Ivan Penchev, violin; Darina Vassileva, piano; Tatyana Todorova, viola; Stoyan Bozhkov, cello.
Gustav Mahler – Piano Quartet (1876)
http://quartoquartet.blogspot.com/
Duration : 0:10:20
[youtube Jyf64r4KvaI]