From which country hail the rock band 'Sick Puppies' who produced the album 'Tri-Polar' and the electronic music duo 'Empire of the Sun' whose albums include 'Walking on a Dream'?
Empire of the Sun (band): Empire of the Sun is an Australian electronic music duo from Sydney, formed in 2007. Empire of the Sun (band):  Their 2008 debut album "Walking on a Dream" brought the duo international success and has been certified double platinum in Australia and gold in the United Kingdom.
i don't know