From work in the early '90s with Company Flow to Run the Jewels and a strong catalog of solo albums, rapper/producer El-P has been a definitive figure in the evolution of hip-hop. His adventurous and innovative approach to production was apparent from his earliest output, and he complemented his boundary-pushing vision of sound with equally powerful rap skills. His discography includes not only genre-shaping releases from his own projects, but a wide variety of guest appearances on other artist's recordings, maintaining the solid track record that began with Company Flow's 199...