Some websites that have reviews of classical concerts are MusicOMH.com, ClassicalSource.com and MusicalCriticism.com. These sites offer reviews for recent classical music concerts as well as operas.
MusicOMH.com offers a list of reviews for recent classical concerts and operas in England, most of which are in London. Each review is based on a five-star rating system and contains either a still from the show or a picture of the musical performer or conductor.
ClassicalSource.com offers a vast and up-to-date collection of reviews for classical performances in both England and the United States. The website also has a list format and photograph accompanying each review.
MusicalCriticism.com has concert and opera reviews, mostly in London, England, and Edinburgh, Scotland, as well as articles and interviews. These reviews contain a picture along with a five-star rating system.