Originally expected to be released on March 23, 2015, his new album To Pimp a Butterfly was released a week early on March 16, 2015 to rave reviews. The album debuted atop the US Billboard 200 chart selling 324,000 copies in its first week, and established Spotify's global first-day streaming record (9.6 million). Lamar was later featured on the cover of Rolling Stone, with editor Josh Eells writing he's "arguably the most talented rapper of his generation."
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