article_snippet: (CNN)The HBO documentary "Kurt Cobain:
article_snippet: However, anticipation for the film's soundtrack is about to hit fever pitch as director Brett Morgen revealed that The album will feature "a mind-blowing 12-minute acoustic Cobain unheard track," Filmmaker tweeted (via Loudwire).
article_snippet: Kurt Cobain documentary set to premiere at Sundance .
article_snippet: While an April 7th release date has been scheduled for the film's companion book, which features "a mixture of animation stills, rare photography and other treasures from Kurt Cobain personal archive," no date or further information has been announced regarding the film's soundtrack.
article_snippet: Kurt Cobain doc 'Montage of Heck' adds rarities-filled companion book .
article_snippet: Rolling Stone talked to director Brett Morgen at the Sundance Film Festival, and Filmmaker revealed that Kurt Cobain documentary set to premiere at Sundance's score "is all unreleased Kurt Cobain music."
article_snippet: Intimate 'Kurt Cobain: Montage of Heck' doc stuns at premiere .
article_snippet: director Brett Morgen added that director Brett Morgen hoped to put out one of the Cobain's personal cassettes - "Tape 59: Montage of Heck" - as a special release on "Independent Record Store day, like unannounced, but it didn't happen.
highlights_snippet: The album will feature a 12-minute acoustic Cobain unheard track .
  
highlights_snippet: Filmmaker wants to release one of the Cobain's personal cassettes .