Music criticism is the practice of evaluating and analyzing music, including its composition, performance, and cultural impact. Critics often write reviews for albums, concerts, and music festivals, providing insights that help listeners understand the work's artistic value and context. This field encompasses various genres, from classical to pop, and can influence public perception and sales. Critics may use different criteria, such as lyrical content, melody, and production quality, to form their opinions. Notable music critics, like Robert Christgau and Greil Marcus, have shaped the discourse around music, offering perspectives that can spark discussions among fans and artists alike.