May 6, 2016 6:20 am Tribute Concert for Prince to be Held at LA City Hall A free tribute concert will be held for Prince at Los Angeles City Hall. Annette Arreola reports for NBC4 Today in LA on Friday, May 6, 2016. US & World Videos 3:34 Pro-Palestinian encampments continue on UCLA campus 2:41 USC plans alternative commencement, limited activities 0:37 Car chase ends in standoff in Compton 3:47 Counter-protesters respond to pro-Palestinian encampment at UCLA 2:25 Police investigate stabbing near Metro bus