Single You Out: Rated R – The Coroners (ft. I.N.F., Klive Kraven & J.A.I. Pera) (Prod. Silly Grinn) April 3, 2017 stefanoneder . Singles . I.N.F., J.A.I. Pera, Klive Kraven, Rated R, Silly Grinn, The Coroners Here is some murder music from Rated R, featuring I.N.F., Klive Kraven, and J.A.I. Pera. You will find nothing here but hard rhymes and and a piano driven banger from Silly Grinn. This is definitely something to get you amped up!