Current GRAMMY nominees Little Big Town discuss the "incredible" honor of performing on the 58th GRAMMY Awards, and looking forward to Lady Gaga's David Bowie tribute, during an interview at rehearsals for the 58th GRAMMY Awards on Feb. 11 in Los Angeles. Catch the 58th GRAMMY Awards on Monday, Feb. 15 on CBS at 8 p.m. ET/5 p.m. PT.