[youtube]http://youtu.be/eUdbucICy_Q[/youtube]

Kendrick Lamar has been at it all week promoting the new album, but he still managed to surprise the Bay Area at the Fox Theater by joining Schoolboy Q during the ‘LongLiveA$AP’ tour. During the suprise visit Kendrick runs through “A.D.H.D.” and “Backseat Freestyle.” Enjoy!