The Black Lives Matter movement has emboldened Black communities to demand justice and equity in nearly every realm of American life. nearly every realm of American life. The Baltimore Rock Opera Society has taken that message to the online stage with its portrayal of the evolution of rock and roll ... told using a more accurate, more inclusive arc. We talk with Petula Caesar, producer of ‘Rock Opera 101: American Music’ … and Jonathan Gilmore, its creator, director and lead performer.