He admitted that he had 'no idea' who pop singer Christina Aguilera was. But when it came to the classics, Prince Charles was on safer ground.
The future king and his wife, the Duchess of Cornwall, enjoyed a tour today of Global Radio in London, which owns stations including Classic FM - Camilla's favourite, apparently - Heart, Capital and LBC.
In the studio with Classic FM presenter John Suchet the prince admitted that he might have offered some 'gentle persuasion' when advising the Duchess of Cambridge on her wedding music.