A music critic is a professional who evaluates and provides opinions on music performances, compositions and artists. Synonyms for this role include music journalist, music reviewer or music commentator. These individuals are responsible for providing critiques and analysis on various genres of music such as classical, pop, rock or jazz. They may write for newspapers, magazines, online publications or broadcast media. Their aim is to inform and guide music enthusiasts on what is worth listening to, and also to hold artists and record companies accountable for their work. A music critic's opinion can have a significant impact on the success of an artist or music group.