The Swing Youth (German: Swingjugend) were a group of jazz and swing lovers in Germany in the 1930s, mainly in Hamburg and Berlin. …
… composed of 14 to 21-year-old boys and girls in high school, most of them middle- or upper-class students …
They admired the British and American way of life, defining themselves in swing music and opposing the National-Socialist ideology, especially the Hitler Youth …
Click PLAY or watch it on YouTube. (Hollywood adaptation)
Here are a couple of historical photos.