Following yesterday's addition of Soundgarden to its SXSW concert lineup, Apple has now announced that Kendrick Lamar will also perform during the iTunes Festival [iTunes Store Link], headlining on March 12. Joining Kendrick Lamar will be ScHoolboy Q and Isaiah Rashad. With the addition of Soundgarden and Kendrick Lamar, Apple's SXSW iTunes Festival lineup is complete with the following acts scheduled (times listed in CST): March 11 10:00 p.m. - Coldplay 8:30 p.m. - Imagine Dragons 7:30 p.m. - London Grammar March 12 10:00 p.m. - Kendrick Lamar 8:45 p.m. - ScHoolboy Q 8:00 p.m. - Isaiah Rashad
