Not at all, because listening to a mantra not work unless you recite it. Even recitation while listening will not work if you have not got initiation of the mantra.
To remove negative energy from a person. First of all, you have to contact a person expert in dark energy healing. Then he will give you a mantra to recite after interpreting the intensity of negative energy on a person. Thus this is the way to remove negative energy from a person.
If you don't do any measure to remove negative energy. Then you may get ill, you may die, you may get mental, and so on.
Our astrologer Shubham Shastri is the best to remove negative energy. He has huge experience in removing negative energy. He can liberate you from dark energy within 24 hours.