Mi-Sex keyboard player Murray Burns is reported to have collapsed on stage during the A Day On The Green show at Rochford Winery in the Yarra Valley on Saturday.
Mi-Sex were three songs into their set at the Classic Hits All Day show when Murray fell ill and Mi-Sex had to end their set.
The cause of Burns situation is unknown at this stage.
Mi-Sex had recently reformed for the first time since the death of singer Steve Gilpin in 1992. Gilpin lost his life in a car accident.
The band reformed with Noiseworks / Electric Hippies member Steve Balbi on vocals initially for The Christchurch Quake Relief Concert in New Zealand.
Kiwi band Mi-Sex became a massive rock band in Australia and New Zealand at the end of the 70s and early 80s with the string of hits including ‘Computer Games’, ‘But You Don’t Care’, ‘People’, ‘Space Race’, ‘It Only Hurts When I’m Laughing’ and ‘Blue Day’.