All have done time with Miles Davis, one of them is the long-standing drummer with the Crusaders, another the regular live bassist with the Stones.
So, no chops there then. Yet chops is what we get: tasteful, grooved, uptown chops, where less tends to be more and everyone digs Gaucho. Fans of late-period Steely Dan should indeed prick up their ears. An assortment of vocalists do the melodious honours, but songs are really not the issue. Grooves are.