FILE - This May 7, 2012 file photo shows singer-actor Justin Timberlake at the Metropolitan Museum of Art Costume Institute gala benefit in New York. Timberlake has concentrated almost exclusively on his acting career over the last few years. But on Thursday, Jan. 10, 2013, he posted a video on his that showed him walking into a studio, putting on headphones and saying: “I'm ready.” He hasn't made an album since 2006's Grammy-winning “FutureSex/LoveSounds.” (AP Photo/Charles Sykes, file)

FILE - This Sept. 19, 2012 file photo shows singer-actor Justin Timberlake at the premiere of "Trouble With the Curve" in Los Angeles. Timberlake has concentrated almost exclusively on his acting career over the last few years. But on Thursday, Jan. 10, 2013, he posted a video on his that showed him walking into a studio, putting on headphones and saying: “I'm ready.” He hasn't made an album since 2006's Grammy-winning “FutureSex/LoveSounds.” (Photo by Matt Sayles/Invision/AP, file)