Video GUEST APPEARANCE FROM KENDRICK LAMAR @ SUMMER JAM XX [HD VIDEO] By WatchThis! - June 5, 2013 0 Share on Facebook Tweet on Twitter Kendrick Lamar brings out Schoolboy Q & the rest of TDE, Trinidad James, and the A$AP Mob for an exciting performance at 2013 Summer Jam XX concert. Check out the footage below. SHARE THIS NYC:FacebookTwitterTumblrReddit