"Ghetto Musick" / "Prototype" are songs by American hip-hop duo OutKast, released as the fourth and final single from their fifth studio album, Speakerboxxx/The Love Below (2003). "Ghetto Musick" (also written as one word, "GhettoMusick") is on Disc 1 (Speakerboxxx) and "Prototype" (or "She Lives in My Lap") is on Disc 2 (The Love Below). "Ghetto Musick" was released as a CD single in the United Kingdom on September 22, 2003, and "Prototype" was serviced to US radio in September 2004. The double A-side version was issued in Australia in November 2004, and "Ghetto Musick" was added to US radio during the same month.