Review: witty 
Sentiment: positive

Review: gussied up with so many distracting special effects and visual party tricks that it 's not clear whether we 're supposed to shriek or 
Sentiment: negative

Review: mr. scorsese 's bravery and integrity in advancing this vision 
Sentiment: positive

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: encumbers itself