SATURDAY 18 NOVEMBER Sheku Kanneh-Mason cello Isata Kanneh-Mason piano FRANK BRIDGE Sonata for Cello and Piano in D minor, H. 125 CHOPIN Sonata for Cello and Piano in G minor, Op. 65 RACHMANINOV Cello Sonata in G minor, Op. 19   This British sibling duo have shot to fame in recent years and are among the…