Rock singers are individuals who perform music that is typically characterized by a strong backbeat, often with the use of electric guitars and drums. Commonly referred to as 'rockers, ' these singers often have a unique vocal style and are known for their energetic performances. Examples of rock singers include Sir Elton John, Bruce Springsteen, and Janis Joplin. The term 'SIRENS' is often used to refer to female rock singers, such as Stevie Nicks and Joan Jett.