Oomph! are a German Neue Deutsche Härte band that was formed in 1989. It consists of Dero Goi on vocals, drums, and keyboards, Andreas Crap on lead guitar, keyboards and backing vocals and Robert Flux on rhythm guitar, bass and backing vocals. They also use a variety of other performers when appearing live. They have released 12 albums. They are very successful in Germany and Austria but relatively unknown outside of the German speaking countries.
Augen Auf [Open Eyes] is their 1st single and is from the 8th album, Wahrheit oder Pflicht [Truth or Dare] in 2004. The song appears to be about a demonic game of Hide-and-Seek. The video starts with a couple of young children walking down a deserted path. They are then seen going to a birthday party, a birthday party that is a nightmare for the adults present.
You can buy Augen Auf on iTunes.