2011 hit by Jay-Z and Kanye West that samples a 1966 soul performance (4)
I believe the answer is:
otis
(Other definitions for otis that I've seen before include "Lift man" , "-- Redding, US singer" , "lift company" , "Cole Porter's miss who was "unable to lunch today"" , "---- Redding, 1941-67, soul singer" .)