There are sites where you can get paid to review books, movies, music, websites.There are few other sites that pay for writing music or movie reviews only.
Write Movie Reviews
This is a project of Squidoo.You need a Squidoo Lensmaster account for this.
You can build a review page on your favorite or most hated movie.
Just answer 7 questions and your review page build automatically with eBay, Amazon advertising on that.You can easily customize your review page later.
This site is only available to the UK and Ireland.
You can write movie reviews here and get 100 PiggyPoins for a featured listing of your review.
PiggyPoints are the currency on Pigsback.com.You can stake PiggyPoints in a Jackpot Pool or cash them in for Rewards.
Filmmatrix is a market research company specialized in motion picture industry.This opportunity is only for the U.S. citizens.You get paid for you your opinion on movies.
Write Music Reviews
You can make money for writing reviews of music.Sign up as a Music Fan.Just write a review of minimum 100 characters of a track of a registered Artist.Once your review is approved you get £0.03 per review.
With slicethepie you can earn for reviewing music.Write appealing reviews of over 100 characters that will be helpful to the artists.Rate favorite tracks,be active on the site,Tip your favorite artist on the site and get paid for all these activities.