(Credit:  © ROH 2020 Stephen Cummiskey) The London Handel Festival has birthed several successful collaborations with the Royal Opera House, and this is the second year they’ve staged a work in the new Linbury Theatre. The oratorio “Susanna,” with a text attributed to “Solomon” author Moses Mendez, makes its return to Covent Garden, where it received its premiere, after 271-years {…}