Grange Park Opera, the brainchild of go-getting impresario Wasfi Kani, has taken an energetic approach to the COVID-19 pandemic over the last year, seeing opportunity in challenge. They commissioned and performed a brand new work last summer on the hoof, “A Feast in a time of Plague;” they have offered filmed versions of Britten’s “Owen Wingrave” and Ravel’s “L’heure Espagnole.” {…}