Collects all MASS recordings: Rushingfloodperfume (LP, 1991), "Pulling / Thinking" (Single, 1990), Godsend (EP, 1992), Medusa (12", 1991). Plus their January 1990 session for John Peel's programme, two unreleased songs ("Last Minute Rush", "Sink"), a cover of the CLASH's "London Calling" and a complete live set from Germany, 1992.