Review: predictably efficient 
Sentiment: positive

Review: the rare trick of seeming at once both refreshingly different and reassuringly familiar 
Sentiment: positive

Review: is engage an audience 
Sentiment: positive

Review: the earnest emotional core 
Sentiment: positive


Review: while it 's genuinely cool to hear characters talk about early rap records ( sugar hill gang , etc. ) , the constant referencing of hip-hop arcana can alienate even the savviest audiences .