Clara Amfo uses numbers to find out more about Kings of Leon's career, calculating the maths behind the music to discover how their success adds up.

Like how well does 'Sex on Fire' rate with radio listeners? How much does it cost to cancel a tour? And just how unlucky was bassist Jared when a pigeon pooed in his mouth during a show in the US?

We speak to everyone from their Grammy award winning producer Jacquire King, to the number experts who give us an insight to the stats that have propelled the band to 5 number one albums here in the UK. Show less