b. 20 November 1921, Sydney, New South Wales, Australia. Cost first produced a mark over the Australian traditional jazz picture, playing banjo and electric guitar in various rings in the 40s where time he previously been playing, at least on the semi-professional level, for quite some time. He also performed bass with studio room and symphony orchestras, and frequently appeared using the Slot Jackson Jazz Music group. For several years he was popular for his jazz are both a touring musician and an educator. His strenuous and rhythmic playing improved many traditional jazz rings, including those led by John Sangster and Bob Barnard.