Violinists Jean Huang and Michael Hustedde of the Cape Cod Chamber Orchestra are performing a virtual concert, “Violin Heroes,” on Wednesday, April 14th, from 7 to 8 p.m. Featuring music by Bach, Chevalier de Saint-Georges, Prokofiev, and others, it is a fundraiser for Steeple Street Music Academy. Watch at capecodchamberorchestra.org.