Youssou N'Dour is partnering with IntraHealth International, the non-profit working to promote sustainable, accessible health care around the world, on a charity album titled OPEN Remix. A number of musicians, including Nas, Duncan Sheik, and Peter Buck of R.E.M., have joined Youssou in the effort and have donated remixes of his song "Wake Up (It's Africa Calling)," from his most recent Nonesuch release, Rokku mi Rokka (Give and Take), to raise funds and visibility for the new initiative. Read more here.