Why won't peter drop the radio swing kids?

In the film "Swing Kids," Peter refuses to drop the radio because it symbolizes his connection to freedom and individuality amidst the oppressive environment of Nazi Germany. The music represents his passion and hope for a life beyond the constraints imposed by the regime. Letting go of the radio would mean relinquishing a part of himself and succumbing to the pressures of conformity. Ultimately, it's a powerful symbol of resistance and the importance of personal expression.