The Mighty Mighty Mighty Bosstones is an American ska-core group from Boston, Massachusetts formed in the mid-1980s. They are described as the creators of ska-core, a style of music that brings together elements of the third wave of ska and hardcore punk. The group had taken an indefinite break in December 2003, but returned to concerts and studios in 2007. Their album Let's Face It sold two million copies. Songs of the Mighty mighty bosstones appear on many compilations and soundtracks; those listed here are only those containing unpublished versions that are not found on official albums.