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(Yahoo!) - Kendrick Lamar fans didn't know what to expect when the "Swimming Pools" rapper tweeted that he would be performing a secret show on the corners of 12th and Figueroa in downtown Los Angeles — directly across the street from the Staples Center, home court for the Los Angeles Lakers.

Considering this is the eve of Lamar's TDE/Aftermath/Interscope debut "good kid, m.A.A.d city," he is determined to make his Crash Concerts offering dope. "I wanted to do something special … that actually made a point, made a statement," he says during an exclusive interview with Yahoo!

"Better to do it in our hometown, right after the Laker game," he explains. "I've never done a surprise show like this."

The massive crowd spilled into the streets, exceeding the limits allowed by the city. After performing "Swimming Pools," "The Recipe," and a bonus from his "Section 80" release, the police disperse the crowd as a chopper hovers over. Yahoo! and Lamar make the evening news.

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