The Swedish duo are set to premiere their new opera in September.

Synth-pop duo The Knife have revealed further details surrounding their Darwin-inspired opera,After it was announced late last year the group were set to collaborate with Danish theater group Hotel Pro Forma, the fruits of their labour have now been realized:, will open at Copenhagen's Royal Danish Theatre on September 2nd with additional performances at the venue, and a tour throughout Europe said to be planned. The show was reportedly inspired by British biologist Charles Darwin's seminal evolutionary text, which reaches its 150th anniversary this November. In addition to the literary influence, the opera's website cites contributions from Planningtorock and Mount Sims as musical collaborators.