Martina McBride and Norah Jones will be making appearances at the 46th annual Grammy Awards in Los Angeles. Sting and Sean Paul and Black-Eyed Peas join McBride as the latest performers announced for the Feb. 8 awards show. Jones and John Mayer are among the first artists announced to present awards. So far, McBride is the only country act confirmed for the show that will also feature Justin Timberlake, Christina Aguilera, the White Stripes and others. The Grammy Awards will be telecast live on CBS.