Country artist Jason Aldean and five-time GRAMMY winner Lady Gaga are the first performers announced for “The GRAMMY Nominations Concert Live!! — Countdown To Music’s Biggest Night.” Two-time GRAMMY winner LL Cool J once again is set to host the one-hour special, which will take place live on Nov. 30 at the Nokia Theatre L.A. Live in Los Angeles. The show, which will announce nominations in several categories as well as feature performances by past GRAMMY winners and/or nominees, will be broadcast in high-definition TV and 5.1 surround sound on the CBS Television Network from 10–11 p.m. ET/PT.