If ever a record label was to earn the By Royal Appointment stamp of regal approval, it would surely be Decca Records.

At 87 years old, it’s been around almost as long as the Queen herself, for a start, and it’s become Her Majesty’s go-to official label partner for events of national importance that require a soundtrack: the 2011 Royal Wedding and the 2012 Diamond Jubilee, while three Decca acts – Andrea Bocelli, Katherine Jenkins and Alfie Boe – all ...