This is a rare single by keyboard player Ad Wammes who once was a member of Dutch band Finch. The single has "A Christmas Tree" (2:20) as the A-side, credited to The Famous Adriano Wammesio, whilst the flipside "Hofrituelen" (2:50) is credited to The Royal Academy of Harmelen. Released in 1989 and rather rare as it was only distributed around the city of Harmelen where Wammes resides