Shu-bi-dua is a Danish pop group formed in 1973 in Copenhagen as an expansion of the group Passport. Throughout their 40-year history, Shu-bi-dua changed their lineup many times. Their lead singer, Michael Bundesen, was with the band throughout, except for a gap between 1984 and 1987. They have produced many well-known hits in Denmark, like "Vuffeli-vov", "Hvalen Hvalborg", "Står på en Alpetop", "Stærk Tobak", "Familien kom til Kaffe", "Sexchikane", "We wanna be free", and many more.