There have been gazillions of studies linking music listening habits to mood and behaviour. Here’s another one.
About a decade ago, a University of Pittsburgh study found that teenagers who spend more time listening to music rather than reading books are more likely to be depressed. Here’s a quote from the article in the Archives of Pediatrics and Adolescent Medicine: “[Y]oung people who were exposed to the most music compared to those who listened to music the least were 8.3 times more likely to be depressed.”
I have no idea what kind of music they’re talking about or how long these kids were listening to it. Be careful about jumping to conclusions.