Tiddas were Sally Dastey, Amy Saunders and Lou Bennett, a three girl folk band from Victoria, Australia. They have been nominated six times for an ARIA Music Awards, and their 1994 album Sing About Life was awarded the "Best Indigenous Release". [From Wikipedia]
These are photos from concerts where Tiddas played, so they may be of other bands that played the concert as well.
Livid Festival 1994 Oct 8, 1994 Brisbane, Queensland, Australia Uploaded by Martin S
Big Day Out 1994 Jan 26, 1994 Sydney, New South Wales, Australia Uploaded by Sacstracks