In some circles, Catholic and otherwise, exorcists are the new celebrities. You may have heard of Fr Gabriel Amorth, often known as the exorcist to the Vatican, who famously claimed there were more demons per square metre resident there than anywhere else on earth.
Or you may be one of the million or so following the astonishing Fr. Chad Ripperger on YouTube, who informs his followers on a variety of aspects about the spiritual life, lately including the question of whether or not demons have a particular antipathy to Gregorian chant.
