It’s been 10 years since the premiere of the Malaysian musical “The Edge” by Nick Choo, which went on to win three Boh Cameronian Awards. theatrethreesixty is now restaging the musical, which focuses on the issue of suicide and the complex web of relationships that often surrounds the issue. We speak with the show’s director Christopher Ling, movement director Kenny Shim, and performer Kai Chalmers, about revisiting the musical.