Kanye’s giant book of contacts means he’s never too far from the limelight  even when he’s not working on his own stuff. Plus, as he’s blessed with street and critical appeal as well as  a Midas touch for pop, everyone wants to work with him. Whether you’re a pop star wanting some cred or an underground MC looking for a hit, Kanye’s your dream wing man. Here’s a selection of some of the tracks Mr. West has graced with his presence over the years: