‘Playing safe’ holds no interestfor Jean-Guihen Queryas andAlexandre Tharaud, musicians whopractice what they preach abouttaking risks in performance. Theyare certain to push the boundariesof expression in this diverseprogramme, which includes two ofthe greatest cello sonatas in thebook, together with a rare outingfor the cello and piano version ofBerg’s 4 Pieces.