Question: Tuomas Lauri Johannes Holopainen, is a Finnish songwriter, multi-instrumentalist musician (but mainly keyboardist) and record producer, best known as the founder, leader, keyboardist and songwriter of symphonic metal band Nightwish, formed in which year? 
Sentence (from "The First Tour of the Angels"): There is a bootleg of the Helsinki gig called Live at The Tavastia.
Relevant evidence: No