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"Demi Lovato &amp;#039;GMA&amp;#039; &amp;quot;Heart Attack&amp;quot; Video: Demi Messed Up Lyrics, Still Awesome!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cambio.com/2013/04/10/demi-lovato-gma-heart-attack-video-demi-forgot-lyrics-good-morning-america/>