Kendrick Lamar on Monday won the Grammy for Best Rap Album for "To Pimp a Butterfly," raising expectations of a strong night for the politically charged artist.

Lamar is also in contention for the most prestigious Album of the Year for "To Pimp a Butterfly," a meditative look at the state of black America interspersed with jazz and spoken word. The win was his fifth of the night so far on 11 nominations.