Gordon Jacob is perhaps best known these days as an orchestrator, but he was also a prolific composer. In fact, when weighing the size of his output against his reputation, it’s tempting to underestimate – as the Angel did his Biblical namesake – Jacob’s tenacity. Join me for Jacob’s “William Byrd Suite,” and then music of a more serious nature: his Symphony No. 1, dedicated to the memory of his brother, who died on the Somme. We grapple with the legacy of Jacob, this Sunday at 10 pm.