A dance protest under the banner #FreetheArts will be held in all capital cities at 1.30pm on Friday.
As of Tuesday morning, more than 4,000 people had also signed a petition for artistic freedom.
The public face of the petition is a list of high-profile arts and human rights personalities including Julian Burnside AO QC, Joanna Murray-Smith, William Yang, Shaun Tan, Robert Manne, Thomas Keneally, JM Coetzee, Hannah Kent, Ramona Koval, Nakkiah Lui, Marieke Hardy, Christos Tsiolkas, Judy Watson, Frank Moorhouse, Hannie Rayson, and Gideon Obarzanek.