THE PULP FICTION SOUNDTRACK 21 YEARS LATER: SONG 3 — LET’S STAY TOGETHER
Butch: You lookin at something, friend?
Vincent: You ain’t my friend, Palooka.
Butch: What’s that?
Vincent: I think you heard me just fine, Punchy.
Written by Al Green, Al Jackson Jr., Willie Mitchell.
Fun Fact: Selected by the Library of Congress as a 2010 addition to the National Recording Registry. (Wikipedia)
Good article for this from Rueters: http://www.reuters.com/article/2009/08/21/us-tarantino-idUSTRE57K4T520090821