 Gravity Soundwave was headlined by Grinspoon, with it also featuring American acts Unwritten Law, Reel Big Fish, and Goldfinger.The third and final year of the Gravity Games festival in Perth was moved to December 2006, instead of October.Gravity Soundwave featured American act Aiden, local Australian bands Gyroscope, Kisschasy, Parkway Drive, The Getaway Plan and New Zealanders Goodnight Nurse.