[4] The main funder[5] and figure in the festival organising company, Music Power, was Hamish Henry.
[10] As well as organising the Myponga festival, Henry managed several of the headlining local bands, War Machine and two other Adelaide groups, Headband and Fraternity.
[11][12] Hamish had brought rock band Fraternity to Adelaide, South Australia and soon had them headline his Woodstock inspired festival alongside Black Sabbath.
[17] According to Brine's assistant and ticket seller Alex Innocenti,[21][22][16] "we went down to the farm at Myponga in Hamish's great American sports car with no roof, like movie stars.
[23] Australian artists included Daddy Cool, Spectrum, Fraternity, Billy Thorpe and the Aztecs, Fanny Adams, Jeff St John's Copperwine with Wendy Saddington, Company Caine and Chain; South Australian artists included Steve Foster.
[17][24] The Canberra Times' correspondent reported that the "festival rocked to a close tonight after taking 1+1⁄2 days to warm up.
[25] Author Clinton Walker in his book 'Highway to Hell: The life and death of Bon Scott' described the Myponga Festival: "With a bill boasting an exclusive appearance by Black Sabbath as well as the cream of Australia's progressive bands, Myponga - bankrolled by Hamish Henry was the biggest thing to hit Adelaide since the Beatles..."[26] In March 2013 Black Sabbath's Ozzy Osbourne recalled the group's debut Australian performance, "That was the Myponga Pop Festival if I remember right?
[28] A concert was held to celebrate the 50th Anniversary of Myponga Music Festival and Fraternity at Thebarton Theatre on Thursday 18 March 2021.