Izvornik: The Art of the Piano, Volume 2. What Child Is This. Mark Hayes. Piano Solo sheet music. Advanced. The Art of the Piano, Volume 2.
Prijevod: Umjetnost klavir, svezak 2. Piano Solo note. Napredan. Umjetnost klavir, svezak 2. Majstorski Solos za Božić po Mark Hayes. Za glasovirom.