FILE - In this Mon., Dec. 3, 2012 file photo, Ke$ha performs 

FILE - In this Mon., Dec. 3, 2012 file photo, Ke$ha performs during the second night of KIIS FM's Jingle Ball at Nokia Theatre LA Live in Los Angeles. Ke$ha says she understands her hit song "Die Young" "is now inappropriate" following the shootings in Newtown, Conn. The pop singer said in a Twitter post Tuesday night, Dec. 18, 2012 that she's "so so so sorry" for anyone affected by the tragedy.  (Photo by Chris Pizzello/Invision/AP, File)
Associated Press
FILE - In this Mon., Dec. 3, 2012 file photo, Ke$ha performs during the second night of KIIS FM's Jingle Ball at Nokia Theatre LA Live in Los Angeles. Ke$ha says she understands her hit song "Die Young" "is now inappropriate" following the shootings in Newtown, Conn. The pop singer said in a Twitter post Tuesday night, Dec. 18, 2012 that she's "so so so sorry" for anyone affected by the tragedy. (Photo by Chris Pizzello/Invision/AP, File)
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