Two inventors, Ville and Rulle have developed a revolutionary new accordion; however, they have competition. Twelve-year-old Pelle Borell gets to show off the instrument in front of the Swedish accordion elite in Stockholm.
2013
2008
1989
2021
2006
1971
1999
2007
1979
2004
2022
1961
1923
1943
2009
2001
1953
