Christmas 1990 saw Zig and Zag top the Irish singles charts with their single 'The Christmas No. 1'.
The single remained in the top position for five weeks. This was Zig and Zag's first single.
The video for the single features Grandmaster Zag, Ray D'Arcy performing Ray's Rave and MC Dustin who works in construction by day but is a rapper by night.
This broadcast of the video on 'Jo-Maxi' for the single was aired on 15 January 1991.