Jarkko Martikainen
Jarkko Martikainen is a Finnish singer, songwriter and member of the rock band YUP. In addition to his musical career, Martikainen has worked as a columnist, a record producer and a documentary filmmaker. Martikainen has also illustrated his first soloalbum Mierolainen and YUPs third album, Toppatakkeja ja Toledon terst .
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Source: Wikipedia