 In Europe she had a considerable amount of success in the Netherlands, singing in numerous Italian operas during the 1930s.In 1936 Zamboni retired from the stage shortly after appearing as both Liu in "Turandot" and in the title role of Mario Persico’s "Morenita" at the Teatro San Carlo.Her last performance was on radio in a 1936 national Italian broadcast of Wagner's "Die Meistersinger von Nürnberg" as Eva.