"Stress" originally finished second in the 1968 Melodi Grand Prix on 3 March, but was promoted to the Norwegian entry when the winning song "Jag har aldri vært så glad i no'en som deg" was withdrawn from the contest by its composer amid persistent allegations that it plagiarised the 1963 hit "Summer Holiday" by Cliff Richard – who ironically was the United Kingdom's singer in the 1968 contest. This is the only occasion on which the MGP winner did not go forward to Eurovision.
The MGP was held at Centralteatret in Oslo, hosted by Jan Voigt. Five performers and songs took part in the final with each song sung twice by different singers, once with a small combo and once with a full orchestra. The winning song was chosen by voting from ten regional juries.
On the night of the final Børre performed 13th in the running order, following the United Kingdom and preceding Ireland. Each national jury had 10 points to distribute between the songs, and at the close "Stress" had picked up 2 points (1 each from Luxembourg and Spain), placing Norway joint 13th (with Austria and Switzerland) of the 17 entries. The Norwegian jury awarded 6 of its 10 points to Sweden.