that the beauty and power of the opera reside primarily in the music itself 
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(ROOT (SBAR (IN ) (S (NP (NP (DT ) (NN ) (CC ) (NN )) (PP (IN ) (NP (DT ) (NN )))) (VP (VBP ) (PP (ADVP (RB )) (IN ) (NP (NP (DT ) (NN )) (NP (PRP ))))))))