Children Of Bodom bassist Henkka Seppälä, keyboardist Janne Wirman, drummer Jaska Raatikainen, and early guitarist Alexander Kuoppala will be paying tribute to the band’s late frontman Alexi Laiho during “A Celebration Of Music” concert at the Tavastia club in Helsinki, Finland. The show will be held on February 26 and it will find the band…