Who were the original singers of A Night in Shanghai and A Girl in the 1930s?

Zhou Xuan, born in Changzhou, Jiangsu on August 1920, is a China film actor and singer. 193 1 joined the Yue Ming Song and Dance Troupe, and attracted attention for singing the song "Guoguang". 1932 released the first album "Special Express". 1934 became famous with the song "Wind in May"; In the same year, she ranked second in the "Radio Singer Competition" held by Shanghai Evening News. 1935 entered the film circle. Street Angel starring 1937 became the masterpiece of her acting career, and her film episodes "Singing Girl" and "Four Seasons Songs" were also popular in Chinese areas. 1938 signed a contract with Shanghai Guohua Film Company. 194 1 year, Shanghai daily held the "movie queen" selection. After being elected, Zhou Xuan declined the honor of "the best actress".