Review: 's ... worth the extra effort to see an artist , still committed to growth in his ninth decade , change while remaining true to his principles with a film whose very subject is , quite pointedly , about the peril of such efforts 
Sentiment: positive

Review: inspire a trip to the video store -- 
Sentiment: positive

Review: makes you care about music you may not have heard before 
Sentiment: positive

Review: feels like a prison stretch . 
Sentiment: negative


Review: does a great combination act