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.
| Camera | Elner Åkesson | Director of Photography |
| Writing | Torsten Lundqvist | Writer |
| Directing | Ragnar Frisk | Director |
| Sound | Jules Sylvain | Original Music Composer |
| Production | Erik Bergstrand | Production Manager |