Review: be inside looking out , and at other times outside looking in 
Sentiment: positive

Review: not enough of interest onscreen 
Sentiment: negative

Review: that sneaks up on the viewer , providing an experience that is richer than anticipated 
Sentiment: positive

Review: buoyant , expressive flow 
Sentiment: positive


Review: the documentary is much too conventional -- lots of boring talking heads , etc. -- to do the subject matter justice .