It took place at the Swedish embassy in Washington, where a choir would appear and the then crown prince was asked if he wanted to jump in the choir and be with. He declined, according to an article in Expressen yes, and the performance received a lot of attention in the local media, who were impressed by the 23-year-old crown prince of musical talent.

But the truth, according to Carl Gustaf was ”that I managed to lip-sync all the time.” The king, who will be 73 years old on Tuesday viewed this after 50 years should be the statute of limitations.