Shahram Heshmat wrote an article for Psychology Today titled 6 Reasons Why We Enjoy Listening to Sad Music: The appeal of listening to sad music.
« Sadness is generally seen as a negative emotion. But we tend to find it pleasurable in an aesthetic context (known as the paradox of enjoying sad music). »
« in one study, participants were randomly assigned to either listen to music or take anti-anxiety drugs. The patients who listened to music had less anxiety and lower cortisol than people who took drugs. Music is arguably less expensive than drugs, is easier on the body, and doesn’t have side effects (Finn & Fancourt, 2018). »