Residuals were essential!
Think you don't get paid enough for what you do?
Look at the pay sheet for one of the sessions that yielded half of his best-known album, Kind of Blue.
Davis was paid $129.36, while Coltrane, Cannonball Adderly, Wynton Kelly and Bill Evans were paid $64.67.
Paul Chambers and Jimmy Cobb, on bass and drums respectively, were paid $66.67, the extra two dollars for
"cartage" of their instruments.