The concert seen at the end of the movie was actually a real concert. The footage was from a rock concert held at the Myer Music Bowl in Melbourne, Victoria, Australia. The bands that were playing were the Little River Band and AC/DC. The concert scenes were obviously not filmed in the Palais Theatre as everyone must be seated in the Palais. The after-concert scenes, though, were filmed in the Palais.
The first ever Australian theatrical feature film that was a rock musical.
'Cinephilia' called this film a "reworking of 'The Wizard of Oz'" whilst 'Memorable TV' says that this film is "an allegorical updating of 'The Wizard of Oz'". 'Shock Cinema' said that "it's a rock-'n'-roll homage to 'The Wizard of Oz', Down Under style" whilst 'Allmovie' calls it a "1976 Australian retelling of 'The Wizard of Oz'".
The characterizations of 'The Wizard of Oz''s famous characters in this modern rock music re-working are as follows: Dorothy is rock band groupie; The Tin Man is Greaseball, a heartless petrol station car mechanic; The Cowardly Lion is Killer, a cowardly biker guy; The Scarecrow is Blondie, a dumb blond surfer dude; Glin, The Good Fairy is Glin, a camp boutique clothier; The Wicked Witch is a large-build menacing truck driver; and The Wizard is a glam rock superstar.
This movie was made and released in the middle of a cycle of 1970s rock musicals which include such movies as Hair (1979), Jesus Christ Superstar (1973), Godspell (1973), Tommy (1975) and The Rocky Horror Picture Show (1975).