Might be the GOAT engineers of all time.http://dgmono.com/rvg-discography/Birth of Cool. Blue Train. Cool Struttin'. Somethin' Else. moanin'. Una mas. Go. Madien Voyage. Hub-Tomes. No Room for Squares. Sidewinder. Speak No Evil. Unity.The list is amazing!
------------Gone: My Discogs collection for The Roots:http://www.discogs.com/user/tomhayes-roots/collection