<Li> John Wall was replaced by Patrick Beverley due to resting purposes . </Li> <Li> Michael Carter - Williams was replaced with his teammate Robert Covington due to injuries . Covington would be replaced by Elfrid Payton due to resting purposes . </Li> <Li> Jimmy Butler was replaced by Dennis Schröder due to a shoulder injury . </Li> <Li> Starting with the 2014--15 season, the NBA All - Star Weekend Skills Challenge was revamped to a best of 8 tournament where after 8 players competed in the first round, only 4 would go to the semi-final round and 2 would participate in the championship round . </Li>

Who is singing at the nba skills challenge