There are at least two bands with the name “Folkstorm”.

1) an industrial/power electronics project from Sweden.
2) an ambient/atmospheric black metal band from The Netherlands.

1) Folkstorm is an industrial/power electronics project of Henrik Nordvargr Björkk's that existed until 2001. It has been reactivated several times after 2001; the latest album Folksongs was released in 2011. Folkstorm mainly deals with the subject of war and political ideologies in its songs.

2) Folkstorm is an ambient/atmospheric black metal band from The Netherlands formed in 2009. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.