Whatever the conversation is in hip-hop this week, it'll be dominated by Kendrick Lamar's To Pimp A Butterfly. Even though it has almost as much live instrumentation as a Roots album, the epic project also manages to incorporate a ton of samples that pull from past eras of music. 

Taking similar stylistic cues from the artists that informed D'angelo's Black Messiah (Parliament/Funkadelic, Curtis Mayfield, Miles Davis, Prince), Kendrick crafted an album that's more in-touch with music history than most rap projects, and his production team is the main reason for that. Read on to get a better sense of the musical DNA of To Pimp A Butterfly

(Note: "i" was already included in a past edition, so it's not here)