Blue Note Tone Poet Series, 180 Gram. Catalog Number: 1000123970 Format: LP UPC: 602455187697 Andrew Hill's 1968 album Grass Roots stands as one of the most immediately accessible albums in the pianist's beguiling Blue Note discography. Featuring Lee Morgan, Booker Ervin, Ron Carter and Freddie Waits, this set of five Hill originals is imbued with a deep sense of feeling, groove, and lyricism.