Sentence:  Several of these double entries have been collected by Ben Bagley and Michael McWhinney , along with Rodgers and Hart songs that disappeared permanently en route to New York and others that reached Broadway but have not become part of the constantly <WSD>heard</WSD> Rodgers and Hart repertory , in a delightfully refreshing album , Rodgers and Hart Revisited ( Spruce Records , 505 Fifth Avenue , New York ) . 
Meaning of the word marked with <WSD> tags:  perceive (sound) via the auditory sense