"Sing" is a collaboration between Lennox and 23 other prominent female acts and artists and is a charity record aimed to raise money and awareness for the HIV/AIDS organization Treatment Action Campaign.

lang, Sarah McLachlan, Beth Orton, Pink, Bonnie Raitt, Shakira, Shingai Shoniwa, Joss Stone, Sugababes, KT Tunstall, and Martha Wainwright.

[13] As Lennox reported herself on her official website, this song is about raising money and awareness for what she considers to be the HIV/AIDS genocide:[14] Several years ago I personally witnessed Nelson Mandela, standing in front of his former prison cell on Robben Island, addressing the world's press.

The venues generally were at medium-size theatres, except in New York City, where one of the dates was a United Nations fundraiser at Wall Street restaurant Cipriani.

Songs of Mass Destruction debuted at number seven on the UK Albums Chart with 25,000 copies sold in its first week,[15] and has since been certified Silver by the British Phonographic Industry (BPI).