Read the sentences. the concert attendees roared their approval. the band played a new song. which revision uses a subordinating conjunction to combine the two sentences? the concert attendees roared their approval; meanwhile, the band played a new song. the concert attendees roared their approval while the band played a new song. the concert attendees roared their approval, so the band played a new song. the concert attendees roared their approval and the band played a new song.