Rascal Flatts, Taylor Swift and Carrie Underwood Get All Access Pass

Katie Couric’s All Access Grammy Special will premiere on Feb. 4, with Rascal Flatts, Taylor Swift and Carrie Underwood recently added as performers on the special.Underwood, as well as Kenny Chesney and other artists, will be performing at the Grammy Awards in Los Angeles on Feb. 8. Other musicians set to perform are Adele, Duffy, the Jonas Brothers, Kid Rock, John Legend, Lil Wayne, Metallica, Ne-Yo, Katy Perry, Jordin Sparks, Jazmine Sullivan, T-Pain and Justin Timberlake.