The new album from star cellist Sheku Kanneh-Mason features Shostakovich’s Cello Concerto No. 2, performed with John Wilson and the Sinfonia of London, alongside the cello sonatas of Shostakovich and Britten with his sister, pianist Isata Kanneh-Mason. This deeply personal recording pays tribute to cellist Mstislav Rostropovich, the towering figure who inspired both composers and Kanneh-Mason himself. Sheku Kanneh-Mason has …