HD | Svenne & Lotta - Bang, en boomerang | Melodifestivalen 1975 

Svenne & Lotta sang "Bang, en boomerang" at Melodifestivalen 1975, Sweden's national selection for that year's Eurovision Song Contest.
They placed 3rd, not going to Eurovision. The song would also be later released by ABBA, having been written by ABBA members Benny Andersson and Björn Ulvaeus, and producer Stig Anderson.
Footage from SVT, upscaled and converted to 50fps with Topaz Video AI.