 Girlschool had their best UK chart success in 1980 and 1981, with the EP "St. Valentine's Day Massacre" and the album "Hit and Run", but their success soon declined and their approach to the US market with the album "Play Dirty" was not as successful as hoped.At the beginning of 1984, Johnson left the band.As Kim McAuliffe stated in 1997, "basically Kelly just got fed up with the whole thing (...) she wasn’t into heavy rock anymore".