Before there was Future, Lil Yachty, Tekashi69, Lil Pump, or Kodak Black, there was Young Guttah Nutz. "MUMBLE: Fate of a Lost Icon" is a mockumentary about the rise, fall, and omission of Young Guttah Nutz, the creator of mumble rap. Growing up as a poor inner city youth, he hit the streets as a te ...