Although German conductor and Wagner associate Hans von Bülow was being derogatory when he described Verdi’s Messa da Requiem as an ‘opera in ecclesiastical garb’ (he later retracted the remark), it is a comment that describes the inherent power and theatricality of the piece. Such a description does not, in fact, need to carry negative connotations for as Verdi’s second wife, the soprano Giuseppina Strepponi, wrote, a composer must write as the texts inspire...