Review: it 's at once laughable and compulsively watchable , in its committed dumbness . 
Sentiment: positive

Review: a self-aware , often self-mocking , intelligence 
Sentiment: positive

Review: if anything , the film is doing something of a public service -- shedding light on a group of extremely talented musicians who might otherwise go unnoticed and underappreciated by music fans . 
Sentiment: positive

Review: so short could be so flabby 
Sentiment: negative


Review: the pleasure