FILE - In this Dec. 9, 2011 file photo, DJ David Guetta performs at Z100's Jingle Ball concert at Madison Square Garden in New York. Guetta can't wait for you to hear his new song "One Voice" for a couple of reasons. The song is at the heart of a new partnership with the United Nations and the 46-year-old French producer and DJ hopes it will inspire fans to donate money for humanitarian relief around the world, simply by tweeting. And he wants you to hear a brand new side of his musical personality.(AP Photo/Evan Agostini, file)NASHVILLE, Tenn. (AP) — David Guetta can't wait so that you can hear his new track "One Voice" — for a few reasons.