FILE - In this Nov. 29, 2014 file photo provided by the Las Vegas News Bureau, Stevie Wonder performs in Las Vegas. Willie Nelson, Usher and Coldplayís Chris Martin will pay tribute to Stevie Wonder at a concert next month. The Recording Academy announced Wednesday, Jan. 14, 2015, that Ed Sheeran and Janelle Monae will also perform at "Stevie Wonder: Songs In the Key of Life _ An All-Star GRAMMY Salute" on Feb. 10. The concert will take place two days after the 57th annual Grammy Awards. (AP Photo/Las Vegas News Bureau, Brian Jones, File) (The Minnesota Star Tribune)
