 This difference can be explained by the rapid growth in sale of LPs in the late 1960s and early 1970s.During Sunshine's peak period from 1964 to 1967, singles and EPs were by far the biggest selling vinyl formats in Australia while LPs—still something of a luxury at that time—formed only a small percentage of total record sales.In early 1964 Dayman took over the Saturday night lease on Melbourne Festival Hall and renamed it "Mersey City".