Sentence:  It <WSD>is</WSD> a kind of justice , too , that it should originate in London 's Royal Albert Hall , where , traditionally , the loudest , if not the greatest , performers have entertained the thousands it will accommodate ( RCA Victor LM 2454 , $ 4.98 ) . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)