Singer M.I.A. released “27″ last night via her Twitter after hearing the news of Amy Winehouse’s passing. Amy joins the “Forever 27 Club” along with Jimi Henrdrix, Kurt Cobain, and Janis Joplin. M.I.A. says that the song is an unreleased demo in honor of her friends that she’s lost at 27. Hear the song after the jump.