This drum and bass crossover anthem features vocals by former X Factor contestant Ella Henderson. It was Sigma's third single to be penned by the production duo with Wayne Hector, who has written numerous #1 songs for the likes of Westlife, Olly Murs and The Wanted.
A glitter ball (also known as a mirror ball or disco ball) is a spherical object that reflects light directed at it in many directions, producing a complex display. They have been widely used in nightclubs since the 1920s.
The world's largest glitter ball was made for the 2014 Bestival event in England, and is 10.33m in diameter
This was the song on Life that took the most time to record. Sigma told HMV.com: "We had the track finished with another vocalist and it kinda fell through last minute. It was a blessing in disguise though! Ella smashed it!"
"(What's So Funny 'Bout) Peace, Love, and Understanding" was written by Nick Lowe in 1974. The original version with his group Brinsley Schwarz was kind of somber, but Elvis Costello made it a classic with his 1978 uptempo take.