Some artists paint realistic colors that match nature.

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Drivers hire artists to paint them with flowers and other designs, as well as excerpts from prayers and songs.

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The San artists applied the paint with porcupine quills and plant fronds.

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As artists train, paint and sell in more and more different cities, the pre-eminence of New York and Los Angeles is bound to decline.

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"For the artists, their motivation to paint is still the same, " agreed Sally Clifford, director of Warlayirti Artists Aboriginal Corporation in Balgo.

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"We sell the paint to the artists, " says Mr. Rubin.

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But, for both artists, it was not limiting that anybody could paint a soup can that someone else had designed, or that anybody could push a button on a keyboard that someone else had made.

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While Martinez and Graham are modern artists, Gonzalez uses a 17th Century Baroque style to paint scenes of violence along the Mexico-US border.

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The real fun begins with paint, as Mr Ball describes in rich detail the development of artists' colours from medieval to modern times.

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The application process for artists, from professionals to emerging to students, is currently under way to paint the 88 pianos (the number stands for each key on the piano).

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The artists have also been helped by more than 40 volunteers and were given 200 litres of paint by Dulux.

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