Celebrated Polish composer Krzysztof Penderecki stars in this performance from Frankfurt's Alte Oper. The maestro conducts the Sinfonietta Cracovia in four of his own works, as well as a studio session of his "Quartet for Clarinet and Strings." The live program includes Penderecki's "Sinfonietta for Strings," "Viola Concerto," "Capriccio for Oboe and Strings" and "Concerto for Flute and Orchestra."