Luisa Miller is not one of Verdi’s total rarities, but it does not grace major opera houses with anywhere near the same frequency as his most popular creations. The work, however, has much merit as, for example, Act II ends with an allegro in three mounting stages that, although quickening towards an animated finish, is not like a conventional stretta. Written in 1849, it is regarded as coming at the beginning of the composer’s ‘middle period’, with...