ANNIE LENNOX Sing (2008 UK 2-track CD single - In December 2006, Annie Lennox invited 23 of the world's most acclaimed female superstar voices [Madonna, Celine Dion, Pink, Shakira, KT Tunstall, Dido, Anastacia, GladysKnight and more...] to record with her on a song she had written, called 'Sing', in order to help to draw attention to the HIV AIDS pandemic, most especially focusing on the country of South Africa, where women and children are mostbadly affected; includes remixes by Glen Ballard & Nitin Sawhney)