Sentence:  The music press is forever weeping about corporate-dominated music, but their only real contribution is their service as <WSD>Pravdas</WSD> of genre orthodoxy; what&#39;s "real jazz," "real blues," "real rock &#39;n&#39; roll," blah blah blah. 
Meaning of the word marked with <WSD> tags:  A newspaper or other media channel seen as untrustworthy and biased towards its owners or the establishment.