(2) is the eighteenth studio album by British-Australian pop singer Olivia Newton-John, released on 12 November 2002 in Australia. A duets album, the majority of tracks are with Australian artists, along with two American performers. The Peter Allen and Johnny O'Keefe duets are built around archive recordings, with new vocals added by Newton-John.

Filippina Lydia "Tina" Arena is an Australian singer-songwriter, musician, musical theatre actress and record producer. She is one of Australia's highest-selling artists and has sold over 10 million records worldwide. Arena is multilingual, singing and recording in English, Italian, French and Spanish.