The New York Times | By Allen Kozinn

You might not expect to find a polished young ensemble like the Parker String Quartet playing music by Beethoven, Bartok and Ligeti — or collaborating with ensembles like Las Rubias del Norte, which specializes in Latin American folk music — in the no-frills back room of a Brooklyn bar. But the group spent this season as the resident quartet at Barbès, a Park Slope bar that regularly presents classical performers in a schedule otherwise devoted to jazz, pop and world music.