Genres will collide for a special tribute to MusiCares' person of the year Lionel Richie at the 58th Grammy Awards. Country star Luke Bryan, R&B vet John Legend as well as pop starlets Meghan Trainor and Demi Lovato will be tackling Richie's hefty catalog, including his hits as part of the Commodores. Richie is also slated to perform, according to a release.