Captain Moonlight's Notebook: Soprano robbed

Victoria de los Angeles, the soprano whose concert kit includes pounds 250,000- worth of jewellery - or did, until it was filched during a rehearsal. The case prompts parallels with Herge's adventure The Castafiore Emerald (far left), in which the diva Bianca Castafiore loses a large emerald. The culprit turns out

to be a thieving magpie . . . didn't someone write an opera about that?