Circus of Rock mastermind Mirka Rantanen has a long career in the Finnish hard rock scene, including King Company, Raskasta Joulua, Kotipelto, and more. He also created the popular heavy rock band for kids called 'Hevisaurus', which was awarded the Emma Award in 2011 (Finnish equivalent of a Grammy). The new Circus of Rock album features guest vocal appearances from members of Lordi, Sons Of Apollo, Uriah Heep, Ring Of Fire, & many more.