Review: is less a documentary and more propaganda by way of a valentine sealed with a kiss 
Sentiment: negative

Review: forces you to ponder anew what a movie can be 
Sentiment: positive

Review: 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: enthralling documentary 
Sentiment: positive


Review: is priceless