Will Graham was born towards the later part of the 1970s. Meaning he would have most of his childhood memories in the 80s. He’s also from Louisiana and was raised by his mainly his father. All of these signs point to the conclusion that Will Graham is likely a heavy metal fan and likely a big fan of the Louisiana style. Hannibal definitely complains when Will drives about having to listen to Eyehategod and Opprobrium (formally incubus).