Here is a brief list of criticism for music, tv, theatre, film and art. Critics write for newspapers and magazines. They write reviews at the time a work is released. They typically situate the work within a larger context within the field - so, a film critic may consider a director's body of work, or how they were influenced by films that came before.
Unless otherwise obvious, I recommend you search any of these for any type of criticism.
This is best to search when you have chosen an artist or work because the articles are specific.
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