Northern Kings was a Finnish symphonic metal cover supergroup, made up of four well known musicians: Jarkko Ahola from Teräsbetoni, ex-Dreamtale, Marco Hietala from Nightwish and Tarot, Tony Kakko from Sonata Arctica and Juha-Pekka Leppäluoto from Charon and Harmaja.
Other members of Sonata Arctica joined Northern Kings before Tony Kakko
( z1 join :ARG0 ( z2 person :mod ( z3 other ) :ARG0-of ( z4 have-org-role :ARG1 ( z5 organization :name ( z6 name :op "Sonata" :op "Arctica" ) ) :ARG2 ( z7 member ) ) ) :time ( z8 before :op ( z9 person :name ( z10 name :op "Tony" :op "Kakko" ) ) ) )