SIR – The constant drone of vuvuzelas at the World Cup might be annoying for TV viewers, but there is at least a good chance that youngsters might, as a result, be tempted to learn to play proper instruments like trumpet, trombone, or even saxophone.

Then, with any luck, the era of headache-inducing twanging of the infernal electric guitar might eventually be at an end.

John Renshaw, Currer Street, Bradford