More Grammy noms show performers, presenters

YOU’RE ALL I NEED TO GET BY: Valerie Simpson of Ashford & Simpson and Mike Stoller of Leiber & Stoller—both of whom lost their songwriting partners this past year—will join Usher in a tribute to songwriters on The Grammy Nominations Concert Live!! — Countdown to Music's Biggest Night. The first presenters to be announced for the show, which airs Nov. 30 on CBS, are Nicki Minaj and Katy Perry. (11/22a)