Complex sentence: On August 11,2011 Sigur Rós's official website unveiled a trailer for a project called "Inni", a DVD and double CD of the band's live performances in London, directed by Vincent Morisset.
Split into simpler sentences: On August 11,2011 Sigur Rós's official website unveiled a trailer for a project called "Inni". This is a DVD and double CD of the band's live performances in London, and was directed by Vincent Morisset.