Although Danny Elfman and Thomas Newman were considered to score the film, English composer Rachel Portman was selected as the film composer. However, Portman became pregnant during production, and decided to back out. Following Portman's departure, Randy Edelman—whose "Dragonheart" theme was used in the trailer—and Kitarō were considered, until Jerry Goldsmith became available and signed on after dropping out of a project. The film's soundtrack is credited for starting the career of pop singer Christina Aguilera, whose first song to be released in the U.S. was her rendition of "Reflection", the first single from the "Mulan" soundtrack. The song, and Aguilera's vocals, were so well received that it landed her a recording contract with RCA Records. In 1999, she would go on to release her self-titled debut album, on which "Reflection" was also included. The pop version of "Reflection" has a Polish version ("Lustro" performed by Edyta Górniak) and two Spanish versions, for Spain (performed by Malú) and Latin America (performed by Lucero). Other international versions include a Brazilian Portuguese version by Sandy & Junior ("Imagem"), a Korean version performed by Lena Park, and a Mandarin version by Coco Lee.