Singer Ashlee Simpson arrives during an event by Google and T-Mobile celebrating the launch of Google Music in Los Angeles, California November 16, 2011. Google Inc. has turned on the music at its new online store, aiming to wrest the lead from Apple Inc. and Amazon.com Inc. in audio entertainment distribution despite the absence of a major record label.[Photo/Agencies]

Actor Vincent Piazza and singer Ashlee Simpson arrive during an event by Google and T-Mobile celebrating the launch of Google Music in Los Angeles, California November 16, 2011. Google Inc. has turned on the music at its new online store, aiming to wrest the lead from Apple Inc. and Amazon.com Inc. in audio entertainment distribution despite the absence of a major record label.[Photo/Agencies]

Actor Vincent Piazza and singer Ashlee Simpson (front) arrive during an event by Google and T-Mobile celebrating the launch of Google Music in Los Angeles, California November 16, 2011. Google Inc. has turned on the music at its new online store, aiming to wrest the lead from Apple Inc. and Amazon.com Inc. in audio entertainment distribution despite the absence of a major record label.[Photo/Agencies]