has something a little more special behind it : music that did n't sell many records but helped change a nation 
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(ROOT (VP (VBZ ) (NP (NP (NN )) (ADVP (NP (DT ) (JJ )) (RBR ) (JJ ))) (PP (IN ) (NP (PRP ))) (: ) (NP (NP (NN )) (SBAR (WHNP (WDT )) (S (VP (VP (VBD ) (RB ) (VP (VB ) (NP (JJ ) (NNS )))) (CC ) (VP (VBD ) (S (VP (VB ) (NP (DT ) (NN )))))))))))