Its horn unexpectedly sounded a musical tune, breaking the monotony of the urban noise. The cheerful melody brought joy to the truck driver and his companion, who began swaying to the rhythm.

This is the amusing moment a trucker's horn played a cheerful tune in China. A driver honked to produce an upbeat musical sound while driving through the bustling city in Guangdong on November 30.

Listen out for: The times when the orchestra 'answer' the horn by repeating the same tune. Watch the full performance of Horn Concerto No. 4 (3rd movement), played by the BBC BBC National ...