What makes 1997–1999 by Ensiferum notable?

'1997–1999' brought renewed attention to Ensiferum, showcasing their unique blend of folk and metal that has influenced countless bands within the genre. It also solidified their reputation in the metal scene, as evidenced by positive reviews in prominent publications like Metal Hammer. Released in 2005, '1997–1999' compiles early works from Ensiferum's formative years, including tracks from their debut and sophomore albums. This album marked a moment of consolidation for the band, aligning their established sound with emerging melodic death metal trends.