nothing wrong with performances here 
(ROOT (NP (NP (NN nothing)) (ADJP (JJ wrong) (PP (IN with) (NP (NP (NNS performances)) (ADVP (RB here)))))))
(ROOT (NP (NP (NN )) (ADJP (JJ ) (PP (IN ) (NP (NP (NNS )) (ADVP (RB )))))))