Following the release of the EPs Screaming Life ( 1987 ) , and Fopp ( 1988 ) , both for the Sub Pop record label , Soundgarden signed with the independent record label SST and went to work on its first full-length studio album .
Following the release of the EPs Screaming Life , released in 1987 , and Fopp , released in 1988 , for the Sub Pop record label , the band signed with the independent record label SST and went to work on its first full-length studio album .