To Pimp a Butterfly is the third studio album by American rapper Kendrick Lamar. It was released on March 15, 2015 by Top Dawg Entertainment, Aftermath Entertainment andInterscope Records a week earlier than scheduled due to a label error. The album was recorded in studios throughout the United States, with executive production from Dr. Dreand Anthony "Top Dawg" Tiffith. Boi-1da, Flying Lotus, Terrace Martin, Pharrell Williams, Knxwledge, Sounwave, Thundercat and several other hip hop producers also contributed. The album incorporates elements of free jazz, funk, soul, spoken word, and the avant-garde and explores a variety of political and personal themes concerning African-American culture, racial inequality, depression, and institutional discrimination.
To Pimp a Butterfly debuted atop the Billboard 200 and received widespread acclaim from critics, who praised its musical scope and the social relevance of Lamar's lyrics. Additionally, it was ranked as the best album of 2015 by many publications, including Rolling Stone, Billboard and Pitchfork Media. It was nominated for Album of the Year and won Best Rap Albumat the 58th Grammy Awards. Its singles "i" (in 2015) and "Alright" (in 2016) each won Grammys for Best Rap Song and Best Rap Performance, with