Question: Skylar Grey (formerly Holly Brook), co-wrote three versions of what song that was later recorded by American rapper Eminem?
Sentence (from "Skylar Grey discography"): The discography of Skylar Grey (formerly Holly Brook), an American singer-songwriter consists of three studio albums, five extended plays (EPs), 21 singles (including nine as a featured artist) and 14 music videos. Grey was signed to Machine Shop Recordings under the name Holly Brook.
Relevant evidence: No