In 2015, Kendrick Lamar released studio album To Pimp a Butterfly, which earned recognition as Best Rap Album at the Grammy Awards. The project also earned a nomination for Album of the Year. Single I (Kendrick Lamar Song) earned Grammy Awards for both Best Rap Song and Best Rap Performance in 2014. Two more songs from the album earned awards at the 2015 ceremony, with "Alright" winning both Best Rap Song and Best Rap Performance, and "These Walls" winning an award for Best Rap/Sung Collaboration. "Alright" also received nominations for both Song of the Year and Best Music Video.