 Complete the following phrase:  Billboard critics commented at the end of the year, twenty years ago, a conscious rap record wouldnt have penetrated the mainstream in the way Kendrick Lamar did with To Pimp A Butterfly. His sense of timing is impeccable. In the midst of rampant cases of police brutality and racial tension across America, he spews raw, aggressive bars while possibly cutting a rug, while Pitchfork editors noted it forced critics to think deeply about music. Its an album by the greatest rapper of his generation. Producer Tony Visconti stated David Bowies album Blackstar 2016 was influenced by Lamars work, we were listening to a lot of Kendrick Lamar ... we loved the fact Kendrick was so open-minded and he didnt do a straight-up hip-hop record. He threw everything on there, and thats exactly what we wanted to do. Visconti also stated this about Lamar while talking about rule-breakers in music. His album To Pimp A Butterfly broke every rule in the book and he had a number one album glued to the top of the charts. Youd think certain labels would learn form that. But they take somebody who is out there and say, Thats what people want. No, people want that for one week. You dont want the same song every single day of your life.Lamar won five Grammys at the 