And last night was just another distraction or a reaction
Of what we consider madness,

from Kendrick Lamar – Sing About Me, I'm Dying of Thirst Lyrics on Rap Genius

Meaning

In the narrator’s story, his brother had been shot the previous night, and Kendrick was outside helping him as he died.
His brother’s death (a result of gang violence) is just another product of the corrupt nature of Compton and other ghettos; it is pure madness.

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