Review: loses its sense of humor in a vat of failed jokes , twitchy acting , and general boorishness 
Sentiment: negative

Review: a good music documentary , probably one of the best since the last waltz 
Sentiment: positive

Review: 's quite an achievement to set and shoot a movie at the cannes film festival and yet fail to capture its visual appeal or its atmosphere 
Sentiment: negative

Review: in frustration 
Sentiment: negative


Review: you 'll cheer .