Review: do well to cram earplugs in their ears and put pillowcases over their heads for 87 minutes 
Sentiment: negative

Review: an energizing , intoxicating documentary charting the rise of hip-hop culture in general and the art of scratching ( or turntablism ) in particular . 
Sentiment: positive

Review: is generally quite funny 
Sentiment: positive

Review: than girls , who learns that believing in something does matter 
Sentiment: positive


Review: of the film 's cheeky charm