Zarah Leander was a Swedish singer and actress whose greatest success was in Germany between 1936 and 1943, when she was contracted to work for the state-owned Universum Film AG. Although no exact record sales numbers exist, she was probably among Europe's best-selling recording artists in the years prior to 1945. Her involvement with UFA caused her films and lyrics to be identified as Nazi propaganda. Though she had taken no public political position and was dubbed an "Enemy of Germany" by Joseph Goebbels, she remained a controversial figure for the rest of her life. As a singer, Leander was known for her confident style and her deep contralto voice, and was also known as a "female baritone".