Northern Kings was a Finnish symphonic metal cover supergroup, made up of four well known musicians: Jarkko Ahola from Terasbetoni, ex-Dreamtale, Marco Hietala from Nightwish and Tarot, Tony Kakko from Sonata Arctica and Juha-Pekka Leppaluoto from Charon and Harmaja.

Can we draw the following conclusion?
Four well known musicians were in Northern Kings.

Options: 1). Yes 2). It's impossible to say 3). No
1).