Review: , spicy footnote 
Sentiment: positive

Review: a serious debt to the road warrior 
Sentiment: positive

Review: pure entertainment 
Sentiment: positive

Review: devolves into the derivative , leaning on badly-rendered cgi effects . 
Sentiment: negative


Review: even if you do n't know the band or the album 's songs by heart , you will enjoy seeing how both evolve , and you will also learn a good deal about the state of the music business in the 21st century .