Question: What is the name of the musical work in hip hop style with operatic form that R. Kelly made?
Sentence (from "R. Kelly"): He is known for a collection of major hit singles including "Bump N' Grind", "Your Body's Callin'", "I Believe I Can Fly", "Gotham City", "Ignition (Remix)", "If I Could Turn Back the Hands of Time", "The World's Greatest", "I'm a Flirt (Remix)", and the hip-hopera "Trapped in the Closet".
Relevant evidence: Yes