Taken from the official press release on NBA’s website, where you can read more on each artist:

The National Basketball Association (NBA) announced today that Oscar®-nominated musician Pharrell Williams, coming off of his multi-Grammy Award-winning night, will headline the “Entertainment Series presented by Sean John at Macy’s” during the 63rd NBA All-Star Game on Sunday, Feb. 16, at New Orleans Arena. The game will air live at 8 p.m. ET on TNT, ESPN Radio, and in 215 countries and territories in more than 47 languages.

Williams will make a grand entrance when he opens the NBA All-Star 2014 festivities with the only player introductions set in all of sports, featuring surprise musical guests. The electrifying performance will be followed by Grammy award-winning singer, songwriter and guitarist Gary Clark, Jr. who will perform the U.S. National Anthem and Canadian singer-songwriter Serena Ryder who will perform the Canadian National Anthem.

At halftime, New Orleans native Trombone Shorty and his band Orleans Avenue will tip off the celebration of New Orleans-influenced music with performers including multiplatinum singer-songwriter Janelle Monáe, Rock & Roll Hall of Famer Dr. John, Grammy award-winning singer, songwriter and guitarist Gary Clark Jr. and the legendary band Earth, Wind & Fire.
On Saturday, Feb. 15, prior to the highly anticipated Sprite Slam Dunk Contest airing live at 8 p.m. ET on TNT, Grammy-nominated artist Kendrick Lamar will perform an exclusive medley of smash hits from his critically acclaimed albums.

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