Engelbert Humperdinck’s Hansel and Gretel, which premiered in 1893, is based on the eponymous fairytale that was recorded by the Brothers Grimm and published in 1812. It follows the Grimm version of the story reasonably closely, although there are a few notable differences including the fact that the Mother here is not intent on losing the children in the forest so that she and her husband might survive the hard times. She sends them out to collect berries as a punishment for...

Benjamin Britten’s Billy Budd, which premiered at the Royal Opera House in 1951 before undergoing revisions in 1960, is based on the eponymous novella by Herman Melville, and has a libretto by E. M. Forster and Eric Crozier. With the main action set aboard the HMS Indomitable in 1797 during the French Revolutionary Wars, the story centres on Billy Budd who at the start is pressed into serving in the Royal Navy from a merchant ship. He has a lot of positive attributes including...