Singers also often spend time in rehearsal spaces, where they prepare for upcoming performances or recordings. During rehearsals, singers may work with a band or orchestra to coordinate their performance and perfect their timing. They may also practice choreography and work on their stage presence. Rehearsals can be grueling and repetitive, but they are essential to ensuring a successful performance. Singers sing in recording studios or for live audiences in a variety of settings. Many professional singers have the ability to perform in a variety of styles like rock, classical, jazz, country, opera, or hip-hop.