The BBC National Orchestra of Wales’s second Royal Albert Hall date this summer opened with the kind of thing UK audiences only really hear at the Proms: Sofia Gubaidulina’s Revue Music for Symphony Orchestra and Jazz Band, written in 1976. It’s not what you’d have expected from this serious, intense, spiritually driven composer, who died earlier this year – or, to be honest, from any other composer. It opens in atmospheric, modern-classical style, ominous bells against high, tense strings. Then it explodes into funky bass guitar and brass, driving drum kit and the Star Trek-like ahhing of a close-miked vocal...