A feeling of electricity filled Music Hall when the classical cellist Sheku Kanneh-Mason took the stage to perform with the Cincinnati Symphony Orchestra on April 26. The 25-year-old rising star was soloist in Shostakovich’s Cello Concerto No. 1, under the baton of another rising star, 29-year-old Austrian conductor Katharina Wincor. For his Cincinnati Symphony debut, Kanneh-Mason revisited the piece that helped him win the BBC Young Musician competition as a teenager in 2016, and which he recorded…