be treated to an impressive and highly entertaining celebration of its sounds 
(ROOT (VP (VB be) (VP (VBN treated) (PP (IN to) (NP (NP (DT an) (ADJP (ADJP (JJ impressive)) (CC and) (ADJP (RB highly) (JJ entertaining))) (NN celebration)) (PP (IN of) (NP (PRP$ its) (NNS sounds))))))))
(ROOT (VP (VB ) (VP (VBN ) (PP (IN ) (NP (NP (DT ) (ADJP (ADJP (JJ )) (CC ) (ADJP (RB ) (JJ ))) (NN )) (PP (IN ) (NP (PRP$ ) (NNS ))))))))