The major retrospective 'Hélio Oiticica: The Body of Colour' on view at Tate Modern from 6 June to 23 September 2007 and 'Oiticica in London - Tate Collection', which is being shown on the fifth floor of the museum from 19 May to 21 October 2007, present a complete portrait of the artist and his works, from the most formalist to the most conceptual.