First an episode about the manufacturing of violins. Then an episode from the radio manufacturer Centrum Radio in Stockholm and some singing by Sven-Olof Sandberg.
| Release Date | September 1, 1943 | |
|---|---|---|
| Status | Released | |
| Original Title | Den underbara tonen | |
| Runtime | 9min | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | Swedish | |
| Production Countries | Sweden | |
| Production Companies | Terrafilm | |