Listen to A$AP Rocky’s ‘1Train,’ Featuring Kendrick Lamar, Joey Bada$$, Yelawolf, Danny Brown, Action Bronson, and Big K.R.I.T.

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The cut from A$AP Rocky's upcoming debut, Long.Live.A$AP, features basically every buzzy rapper: Kendrick Lamar, Joey Bada$$, Yelawolf, Danny Brown, Action Bronson, and Big K.R.I.T.