How about this: http://pediatrics.aappublications.org/content/early/2013/01/02/peds.2012-0708.full.pdf http://pediatrics.aappublications.org/content/early/2013/

How about this: http://pediatrics.aappublications.org/content/early/2013/01/02/peds.2012-0708.full.pdf http://pediatrics.aappublications.org/content/early/2013/01/... "The results showed that early fans of different types of rock (eg, rock, heavy metal, gothic, punk), African American music (rhythm and blues, hip-hop), and electronic dance music (trance, techno/hardhouse) showed elevated minor delinquency concurrently and longitudinally. Preferring conventional pop (chart pop) or highbrow music (classic music, jazz), in contrast, was not related to or was negatively related to minor delinquency." Though the study isn't so great at the whole causation-correlation thing.