Bittersweet is the first studio album by Life On Planet 9, the pseudonym used by American hard rock band Lo-Pro when releasing music of a more experimental nature. The album was released on August 20, 2011. The album's origins trace back as far as 2007, when Lo-Pro participated in an acoustic tour with Staind frontman Aaron Lewis. Tracks started as acoustic rock material, but as they developed, they gained further ambient and electronic elements. The sound strayed so far from their original hard rock sound that they decided to release it under another name.