Holly Brook Hafermann, known professionally as Skylar Grey, is an American singer, songwriter, and record producer. In 2004, at the age of 17, Grey signed a publishing deal with Universal Music Publishing Group and a recording contract with Linkin Park's Machine Shop Recordings under the name Holly Brook. Her debut studio album, Like Blood Like Honey (2006), served as her only release with the label.

Machine Shop Records is a record label founded by American rock band Linkin Park members, Brad Delson and Mike Shinoda, in 2001. The label is notable for releasing music in rock, hip hop, underground hip hop, alternative rock and nu metal music amongst other genres.