The sound of UK national debt

Since 2010, Chancellor George Osborne has time and again stressed the need to get down the UK Government's debt.

But how successful has he been in reducing the total amount the government owes to investors?

Neal Razzell examines the numbers, with the help of some musical notes.

(Image: George Osborne holds up Budget case as he stands outside Number 11 Downing Street, March 18th 2015. Credit: Reuters)