For eucalyptus species, see Red Gum; or for the deciduous tree see American Sweetgum.Redgum was an Australian folk and political music group formed in Adelaide in 1975 by singer-songwriter John Schumann, Michael Atkinson on guitars/vocals and Verity Truman on flute/vocals; they were soon joined by Chris Timms on violin. All four had been students at Flinders University and together developed an intensely passionate and outspoken outlook.