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: sucked . 
Sentiment: negative

Review: greatest triumph 
Sentiment: positive

Review: a fine effort 
Sentiment: positive


Review: find little of interest in this film , which is often preachy and poorly acted