Trying to explain Dance Gavin Dance to the uninitiated can be difficult. It’s metal, it’s funk, it’s mathrock, it’s hardcore, it’s post-hardcore, it’s emo, it’s everything. The band is so eclectic that fans have dubed them Swan-core after their lead guitarist Will Swan. They had to create a new word for this band’s genre because of how original they are. That inherant uniquness is the band’s…