It was the era when Starsky and Hutch were strutting their stuff, Dennis Lillee was king of the cricket pitch and Malcolm Fraser was Prime Minister, but the 1970s in Sydney also saw an important series of protests and green bans that saved The Rocks area from demolition and redevelopment.

Get your groove on and be part of this celebration of disco dancing, iconic hairdos, crazy moustaches and all things 1970s with live music, dancing, face painting and street theatre throughout the day.

Glam rock band That 70s Thang! will take to the stage with their rockin live tunes so brush up on your moves and be ready to boogie on down to take out first prize in the dance competition.

Step inside Susannah Place Museum for some nostalgia with screenings of much loved 1970s TV shows like Skippy and Classic Countdown, then explore the four 1844 terrace houses and discover the fascinating ways that life in The Rocks has changed over time.

Raid the wardrobe for those super wide flares and platform shoes that haven t seen the light of day in years and start planning a groovy outfit to be in the running for the best dressed prize.

Check out the authentic Chryslers and other too cool for school cars of the era and browse the stalls for totally rad 70s memorabilia including vintage clothes, sunglasses, accessories, jewellery, shoes, retro bric-a-brac and vinyl records.