Campaign Choirs Writing Collective are Kelvin Mason, Jenny Patient and Lotte Reimer. Kelvin Mason is a writer with background in social movement activism and academia, particularly participatory action research (PAR). He is the author of three non-fiction books on participatory technology development and has published numerous research, feature and news articles. An environmental campaigner with Sheffield Climate Alliance, Jenny Patient is engaged in action research on the future of energy-intensive industries in Yorkshire and the Humber. Her background is in teaching, community development and project management, and she loves to sing in the streets and on actions. With a keen interest in promoting song as a political tool, Lotte Reimer is an activist and prime mover in the Campaign Choirs Network. She is a Natural Voice Practitioner, choir leader and member of the Natural Voice Network, NVN. Lotte compiles and edits the Wales section of Peace News. Campaign Choirs Writing Collective academic adviser and editor, Gavin Brown, is an academic geographer at the University of Leicester. He has researched a range of LGBTQ social movements and has recently written a book about young people's involvement in anti-apartheid solidarity activism in London in the 1980s.