More Grammy performers

KEN DO: In another of producer Ken Ehrlich’s signature pairings, Alicia Keys will team with Maroon 5 for a Grammys performance, and Frank Ocean has also been added to the lineup. Added to the list of presenters are Carly Rae Jepsen, Katy Perry, Kaley Cuoco, Neil Patrick Harris, Faith Hill, Tim McGraw and Keith Urban. In honor of the occasion, here are Keys and Adam Levine dueting on the Rolling Stones' "Wild Horses" from her 2005 Unplugged album. (1/31a)