They audition for positions in choruses, orchestras, bands, plays, and other types of music groups. They may also play instruments along with singing. Often times singers promote themselves through websites, photoshoots, social media, and interviews. Singers may choose to specialize in a particular vocal style like jazz or opera, while others perform in a variety of styles. Some singers become background singers supporting a lead singer. Opera singers act out a story by singing and may perform in different languages.