It has become much easier to browse Metacritic’s entire review database. Check their redesigned site here. In the music section, they have recorded reviews for at least 4,500 different albums.
The total number of reviews is higher than 50,000, from almost 100 publications.
The average score of this universe of music reviews is probably 71.5 (they round up the numbers) in a scale from 0 to 100.
27 publications have more than 1,000 reviews in Metacritic. AMG has 4,514, Pop Matters has 3639 and Pitchfork 3516.
Of this group, Entertainment weekly has the highest average review score (77), followed by Billboard and AV Club. Rolling Stone, Q Magazine and Now Magazine have the lowest average scores.