By Tacita Quinn Director Katie Mitchell’s production of Lucia di Lammermoor, first seen in 2016 and now revived by Robin Tebbutt, turns Gaetano Donizetti’s opera inside out, to show its audience Lucia’s story fleshed out as a feminist gothic tale. Although Lucia is the focal character, much of her personal story occurs off-stage. She is off-stage when she mourns the death of her mother, when she murders the man she was forced to marry, and when she finally takes her own life. Mitchell’s production stages Lucia’s intimate moments in a split screen theatre, with one half following the opera, and…