Childish Gambino goes back to Cali on this brand new track with fellow Black Hippy member Jay Rock. The track is called “Sour Faces” and opens with a serious verse from Jay Rock as he sets the tone for the collaborative track. “Sour Faces” can be found on the brand new mixtape from Gambino’s touring DJ, DJ So Super Sam titled Trigger Happy. You can stream “Sour Faces” below, as well as download DJ So Super Sam’s Trigger Happy here.