(© Carlita Sari) Elijah Moshinsky’s production of Engelbert Humperdinck’s (not to be mixed up with the British pop star!) “Hänsel & Gretel” premiered at the Sydney Opera House in 1992 to great acclaim and its first revival took place a few days ago. Considering that this delightful work features as No. 9 on Bachtrack’s worldwide review of most performed operas {…}