<prompt> Translate the following text to SwahiliHe enrolled at the Dallas Conservatory of Music, and sang Gilbert and Sullivan in New York City opera houses before perceiving that there was a market in hillbilly songs.  <response>: Aliingia katika Chuo cha Muziki cha Dallas na akaimba wimbo wa Gilbert na Sullivan katika nyumba za opera za New York City kabla ya kutambua kuwa kulikuwa na soko la nyimbo za hillbilly. 