Swing it magistern! (1940) 1940, Comedy, Music, Sweden Swing it magistern! (1940) Duration: 1H32M Description: At school, a music teacher is testing the pupil’s ability to sing. The 16-year old Inga Danell starts to sing a song so catchy that everybody in the classroom starts to sing. The singing is interrupted by the principal, who thinks….. Trailer ↗ Sweden 1940 Comedy Music