Quartet of Quartets (QxQ) is a two-day international festival bringing four string chamber quartets from the Visegrad countries – the Czech Republic, Slovakia, Poland and Hungary – to Opava on 27 and 28 November 2026. Over four concerts, the ensembles will present chamber music and repertoire reflecting the musical traditions of the countries they represent.

QxQ aims to present chamber music as a vibrant and accessible genre while creating a space for encounters between performers and audiences across the V4 countries. The festival will also include moderated conversations with the musicians, offering a closer look at their work, repertoire and respective musical backgrounds.