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. Sometimes singers write their own music to perform and record. They may also choose to teach in which case, a bachelor’s degree and teaching license is usually required. Music is a universal form of self-expression. Musicians and singers convey a culture’s musical traditions and create new forms as well. An ear or talent for music often shows up early in life.