In which year was this studio album by Finnish symphonic power metal band Nightwish released for which the band went on Endless Forms Most Beautiful World Tour?
Endless Forms Most Beautiful World Tour: Endless Forms Most Beautiful World Tour was the sixth world tour by Finnish symphonic metal band Nightwish, in support of their eighth studio album, "Endless Forms Most Beautiful". Endless Forms Most Beautiful (album): Endless Forms Most Beautiful is the eighth album by Finnish symphonic power metal band Nightwish. Endless Forms Most Beautiful (album):  It was released on March 27, 2015 in Argentina and most of Europe, March 30 in the UK, and March 31 in the US.
2015