Both Jørgen and Niels Olsen participated in the musical Hair at the Cirkusbygningen in Copenhagen in March 1971, and went on tour afterwards throughout Denmark, Norway and Sweden.

At one stage, they sold 100,000 copies in one day in Denmark; they became the second Danish act to win the competition.

In 2005 for the first time since their victory, they re-entered the Danish Melodi Grand Prix, the national pre-selection for the Eurovision contest, with the song "Little Yellow Radio".

][citation needed] that they hoped to repeat their triumph; however, this time they had to settle for second place, finishing behind Jakob Sveistrup.

In 2019, the brothers called a hiatus to their musical career after Niels was diagnosed with brain cancer.