<p>Festivities at Staples Center in Los Angeles honor excellence in the recording industry, James Corden hosts; scheduled performers include John Legend, Metallica, Carrie Underwood, Keith Urban, Adele, and Bruno Mars.
<p>NBC&#39;s new dance competition series &quot;World of Dance&quot; is led by a judging team of extraordinary dance superstars - Jennifer Lopez (who also serves as an executive producer), Derek Hough, NE-YO and host/