Two members of the illustriousKanneh-Mason family – cellistSheku and his pianist sister Isata– join forces for Beethoven’s earlybut entertaining variations onone of Papageno’s songs fromMozart’s The Magic Flute (1796),Lutoslawski’s short but intenseslow movement (1981), andMendelssohn’s Bach-influencedSecond Sonata of 1842-3.