Epik High revealed a dramatic video teaser for their comeback featuring IU.�

SEE ALSO: IU to become the first Korean solo artist to hold a show at the Philippine Arena in June

Epik High are dropping their 9th album 'We've Done Something Wonderful' on October 23, and this new comeback film reveals some of their preparation. The trio looks serious in the studio as they work on their tracks, and a preview of IU's vocals can also be heard.�

Check out Epik High's comeback film here.�