Complex sentence: Due to the band's being left without a record company--and subsequent breakup--the album was left without an official release until 2010, when it was remixed and released by Richard Page's own Little Dume Recordings label.
Split into simpler sentences: Due to the band's being left without a record company--and subsequent breakup--the album was left unreleased until 2010, when it was remixed and released. In 2010, the album was finally released by Richard Page's own Little Dume Recordings label.