source: The Nazis forbade her to sing the song and perform on stage ever again, after this the song went over to the Allied side, where it also became popular.
target: The Nazis forbade her from singing the song. They forbade her from performing it on stage. The song became popular among Allied troops.
references: The Nazis forbade her from singing the song. They forbade her from performing it on stage. The song became popular among Allied troops.