SANTA MONICA, Calif.--(BUSINESS WIRE)--Music's Biggest Night®, the 52nd Annual GRAMMY® Awards, returns to Los Angeles' STAPLES Center on Sunday, Jan. 31, 2010, and will air live on the CBS Television Network from 8 – 11:30 p.m. (ET/PT). To accommodate an earlier date, the eligibility year for the 52nd Annual GRAMMY Awards will be shortened by one month (Oct. 1, 2008 – Aug. 31, 2009). The date for the GRAMMY nominations announcement — which showcases GRAMMY Award finalists, the year's best and brightest in music as voted on by The Recording Academy®'s membership of music professionals — will be reported shortly.