 However , dissenting voices were heard from critics . Not all of these however were on musical grounds . Berlioz for example raised the issue of the inhibiting effects of Meyerbeer 's success ( which he felt particularly as one who struggled to get his works performed ) : " The pressure [ Meyerbeer ] <unk> on managers , artists and critics , and consequently on the Paris public , at least as much by his immense wealth as by his eclectic talent , makes all serious success at the Opéra virtually impossible . This <unk> influence may still be felt ten years after his death : Heinrich Heine maintains he has ' paid in advance ' . " 
