The melody in Car Keys is taken from the 1997 released trance track: Ayla - Ayla (Taucher Remix). Original 1996 Ayla by Ayla release written and produced by German musician, songwriter, producer and DJ Ingo Kunzi. Mr. Kunzi is behind two important trance music projects: Tandu (est. 1994), and 'Ayla' (est. 1995). Ayla by Ayla was his debut single under the Ayla project name. Taucher Remix produced by his friends and colleagues, German composer, songwriter and producer Torsten Stenzel (known since 1997 for his main electronic music project, YORK), and German DJ, Ralph-Armand Beck (known under the artist name 'Taucher' (UK: Diver) since 1992.
