Prolific in the 1990s with black comedy 'what-if?' scenario 'Children of the Revolution' (1996), dinner-party-with-a-twist 'A Little Bit of Soul' (1998) and biopic of classical pianist Percy Grainger 'Passion' (1999), filmmaker Peter Duncan returns to Australian cinemas with 'Unfinished Sky' (2008). He speaks to Brian McFarlane about his work - past, present and future.