Four-time Grammy winner Annie Lennox is gearing up for the release of her new album, “Songs of Mass Destruction,” which will feature a new song to raise HIV/AIDS awareness.

The track, which is entitled “Sing,” is a collaboration between Lennox and 23 top solo female artists—including Madonna, Celine Dion, Gladys Knight, Faith Hill and Shakira. It’s intended to publicize the work of South Africa’s Treatment Action Campaign, a human rights organization that campaigns for treatment access and HIV prevention.

The U.S. release of “Songs of Mass Destruction” is October 2.