A Russian-themed programme by Frome Symphony, directed by Mark Gateshill, features Shostakovich’s exhilarating Festive Overture and Prokofiev’s powerful 5th Symphony, a wartime masterpiece blending grandeur. Arabella Thornton, a talented local young violinist, is the soloist in Mozart’s Violin Concerto No. 5, a piece rich in elegance and virtuosity.