Shirley Manson of Garbage performs on stage at Alhambra Theatre on 17 July 2019 in Dunfermline, Scotland. (Roberto Ricciuti/Redferns) Shirley Manson shared that she identifies with the “idea of non-binary” as she looks back on her history as the lead singer of Garbage. Manson spoke to the Scotsman as the band celebrated the 20th anniversary