Pentatonix and Kayla Brianna also will perform before tipoff on Feb. 26.
Gym Class Heroes, led by Travie McCoy, will be joined by Neon Hitch on their single “Get Yourself Back Home.”
Rapper J. Cole, the first artist signed to Jay-Z’s Roc Nation label, is a recent Grammy nominee. Pentatonix recently earned fame by winning “The Sing Off” and Brianna, daughter of former NBA player Kenny Smith, will debut her single “If You Love Me.”