19-year-old Erick Jackson and 20-year-old Montell Giddens are charged with killing him.
Investigators say members of three different gangs started fighting on Rosedale Avenue in November 2007 and bullets starting flying.
Murray was shot in the head, and several stray bullets hit passing cars.
Prosecutors say the trial could take seven days because of the number of witnesses.
©2009 WALB News. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.